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Number of protons in sulfur 23

Sulfur - Mass Number - Neutron Number -

  1. Neutron Number and Mass Number of Sulfur. Mass numbers of typical isotopes of Sulfur are 23; 33; 34; 36. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N.Neutron number plus atomic number equals atomic mass number: N+Z=A.The difference between the neutron number and the atomic number is known as the neutron excess: D = N.
  2. Sulfur (S) always has 16 protons. The mass of an element is equal to the sum of its protons and neutrons because each one weighs roughly 1 atomic mass unit (amu). S-33 means sulfur with a mass of 33 amu If protons + neutrons = mass and the mass = 33 then we can just subtract the number of protons from the mass to get the neutron
  3. Name: Sulfur Symbol: S Atomic Number: 16 Atomic Mass: 32.066 amu Melting Point: 112.8 °C (385.95 K, 235.04001 °F) Boiling Point: 444.6 °C (717.75 K, 832.28 °F) Number of Protons/Electrons: 16 Number of Neutrons: 16 Classification: Non-metal Crystal Structure: Orthorhombic Density @ 293 K: 2.07 g/cm 3 Color: yellow British Spelling: Sulphu
  4. Sulfur Dioxide (SO 2) Hydrogen Sulfide (H 2 S) Ammonium sulfate ( [NH 4] 2 [SO 4 ]) Carbon disulfide (CS 2) Interesting facts. It is found primarily in volcanic or sedimentary deposits and meterorites. It combines with almost all elements. It is a poor conductor of electricity. It is insoluble in water
  5. Sulfur has an atomic number of 16. So for an atom to be known as a Sulfur atom, it must have 16 protons. For example, if an atom has 17 protons, it will no longer be sulfur, but will instead be chlorine. Any atom that doesn't have 16 protons is not sulfur
  6. In this video we'll use the Periodic table and a few simple rules to find the protons, electrons, and neutrons for the element Sulfur (S). From the Periodic..
  7. 23: Vanadium has 23 protons, 28 neutrons and 23 electrons: 24: Chromium has 24 protons, 28 neutrons and 24 electrons: 25: Manganese has 25 protons, 30 neutrons and 25 electrons: 26: Iron has 26 protons, 30 neutrons and 26 electrons: 27: Cobalt has 27 protons, 32 neutrons and 27 electrons: 28: Nickel has 28 protons, 31 neutrons and 28 electrons: 2

Discoverer of Sulfur - unknown. Sulfur was discovered in unknown. Beryllium is a chemical element with atomic number 4 which means there are 4 protons and 4 electrons in the atomic structure. The chemical symbol for Beryllium is Be.. Beryllium is a hard, grayish metal naturally found in mineral rocks, coal, soil, and volcanic dust The number of protons define the identity of an element (i.e., an element with 6 protons is a carbon atom, no matter how many neutrons may be present). The number of protons determines how many electrons surround the nucleus, and it is the arrangement of these electrons that determines most of the chemical behavior of an element Sulfur has 16 protons and electrons and 16-20 neutrons, depending on the isotope. How many neutrons does sulfur have? It depends on the isotope.S-32, S-33 and S-34 has 16, 17 and 18 neutrons..

Sulfur (16 S) has 23 known isotopes with mass numbers ranging from 27 to 49, four of which are stable: 32 S (95.02%), 33 S (0.75%), 34 S (4.21%), and 36 S (0.02%). The preponderance of sulfur-32 is explained by its production from carbon-12 plus successive fusion capture of five helium-4 nuclei, in the so-called alpha process of exploding type II supernovas (see silicon burning) you have a new element samanthium (Sa), it has 56 protons and 65 neutrons. how much does one atom of Sa weigh in grams? 121g it is found that two naturally occurring isotopes of Sa, (56Sa 74.23% by mass) and (58Sa 25.77% by mass.) what atomic mass would be represented on the periodic table? sa-5 # of protons 7 7 # of neutrons 8 13 # of electrons 7 7 Sulfur-23 Sulfur-25 # of protons 16 16 # of neutrons 7 9 # of electrons 16 16 Selenium-50. Selenium-55 # of protons 34 34 # of neutrons 16 21 # of electrons 34 34 Sodium-12 Sodium-20 # of protons 11 11 # of neutrons 1 9 # of electrons 11 11 PART III There are 16 protons in an atom of sulfur. of the same elements will have the same number of protons regardless of the difference in the number of neutrons or electrons. So the information about..

Sulfur Show that the atomic mass of the element s…

Sulfur-34 Information. Sulfur is a yellow, nonmetallic element belonging to group 16 of the periodic table. It is an essential element in living organisms, needed in the amino acids cysteine and methionine, and hence in many proteins How many electrons are in the highest energy level of sulfur? 6. How many protons and electrons are there in the iodide ion? 53 protons, 54 electrons What is the name and symbol of an ion that has 26 protons and 23 electrons? Fe+3. Iron pyrite( fools gold) is iron(II) sulfide, what is its formula? FeS. What is the correct name for BaF2 By referring to a periodic table or a table of elements, we see that sulfur (S) has an atomic number of 16. Thus, each atom or ion of sulfur must contain 16 protons. We are told that the ion also has 16 neutrons, meaning the mass number of the ion is 16 + 16 = 32. Because the ion has 16 protons and 18 electrons, its net charge is 2- Atoms—and the protons, neutrons, and electrons that compose them—are extremely small. For example, a carbon atom weighs less than 2 10 −23 g, and an electron has a charge of less than 2 10 −19 C (coulomb). When describing the properties of tiny objects such as atoms, we use appropriately small units of measure, such as the atomic mass unit (amu) and the fundamental unit of charge (e)

How many neutrons and protons are in sulfur? - Quor

4. The element that has the atomic number 17 is? Chlorine 5. List the symbols for two transition metals. Ir, Os 6. Cu, Ag, and Au are all in what group # 11 7. Name two noble gases Any in Group 18 8. Give the symbol for two halogens. Any in group 17 9. What is the symbol for element with atomic number 74? W 10. What is the atomic mass of copper. Atomic Number 16 Atomic Number 16 is belong to element of Sulfur. Chemical symbol for Sulfur is S. Number of protons in Sulfur is 16. Atomic weight of Sulfur is 32.06 u or g/mol

Chemical Elements.com - Sulfur (S

Element reactions. Sulfur isotopes are mainly used in medical applications. S-33 is used for the production of the therapeutic radioisotope P-33. S-32 is used for the production of the radioisotope P-32 which is also used for therapeutic purposes. S-34 can be used for the production of the medical radioisotope Cl-34m and for S-35 Sulfur has 16 protons and electrons and 16-20 neutrons, depending on the isotope. sulfur has 16 protons. sulfur 23 is an unknown isotope, but if there was such a thing, it would have 7 neutrons. Well, number of protons is easy. It's sulfur, Z = 16, so there are 16 nucular protons

Sulfur-23 # of protons # of neutrons # of electrons Carbon-16 Sulfur-25 Nitrogen-20 13 Fill in the isotope names and any missing information, including isotope numbers from the chart. Use your periodic table and the information provided. Iron- 30 32 Iodine- # of protons # of neutrons 32 # of electrons ces{ùM-l # of protons # of neutrons 11 They will have a different mass number and different number of neutrons. PART II. For each of the following isotopes, write the number of protons, neutrons, and electrons. Assume all atoms are neutral. 7 Sulfur-23 Sulfur-25 # of protons 16 16 # of neutrons 7 18 # of electrons 16 16 Selenium-50. Selenium-55 # of protons 16 16 # of neutrons. The larger number of protons in an oxygen atom pulls its electrons closer to the nucleus than a sulfur atom. Sulfur contains more protons than oxygen does. The valence shell of sulfur is farther away from the nucleus than the valence shell of oxygen is 24. Which statement describing atoms is/are true? The number of protons in an atom is. Naturally Occurring Isotopes of Sulfur Isotope Atomic Mass (atomic mass units, u) Natural Abundance (%) 32S 31.97 94.93 33S 32.97 0.76 34S 33.97 4.29 36S 35.97 0.02 State, in terms of the number of subatomic particles, one similarity and one di erence between the atoms of these isotopes of sulfur. 27. The total number of protons, electrons, and.

#16 - Sulfur -

In a neutral atom the number of protons equals the number of electrons. 2. An atom can NEVER gain or lose protons . 3. The number of protons equals the atomic number . Ion Practice Set . What is an ion? Sulfur-23 . Sulfur-25 # of protons . 16. 16 # of neutrons . 7. 9 # of electrons . 16. 16 Number of Protons/Electrons: 2 Number of Neutrons: 2 Classification: Noble Gases Discovery: 1895 Discoverer: Sir William Ramsay Uses: balloons, deep sea diving. Name: Neon Symbol: Ne Atomic Number: 10 Atomic Mass: 20.1 Number of Protons/Electrons: 10 Number of Neutrons: 1

How many protons, neutrons and electrons does sulfur have

15. An atom of potassium-37 and an atom of potassium-42 differ in their total number of A) electrons C) protons D) positrons neutrons 16. Which electron configuration represents the electrons in an atom of sulfur in an state? C) 2-8-7 A) 2-8-6 D) 2-7-8 17. total number of valence electrons in an atom of germani\l In the ground state? C) 14 Maro The structure also reveals evolutionary adaptations of MBH that enabled S 0 reduction by MBS catalyzed by a site-differentiated iron-sulfur cluster without participation of protons or amino acid. For each of the following isotopes, write the number of protons, neutrons, and electrons. Chromium-58 Chromium-63 # of protons # of neutrons # of electrons Nitrogen-15 Nitrogen-20 # of protons Sulfur-23 Sulfur-25 # of protons # of neutrons # of electrons Selenium-30 Selenium-35 # of protons # of neutron Well, number of protons is easy. It's sulfur, Z = 16, so there are 16 nucular protons. If there are 16 positively charged particles, there must be 16 negatively charged particles in the neutral element. We have S^(2-), and thus there must be 18 electrons associated with the ion. And neutrons for ^33S? Well, the electrons are along for the ride, and have zero rest mass

answer choices. electrons are the heaviest particle, with a positive charge. protons and electrons are equal in mass with positive charges. electrons are neutral with the least mass. protons have a positive charge with a mass of 1 amu and neutrons are neutral with the same mass as a proton. Tags: Question 13 Atomic Number: Number of protons and it is also the number of electrons in an atom of an element. Element's Symbol: An abbreviation for the element. -Sulfur S -Helium He - - 23-11 = 12 -Bromine. The protons and neutrons in atoms and ions make up the atomic nucleus, and are hence called nucleons.The atomic number of an atom is the number of protons in its nucleus.This is the number by. Atomic Mass Average: 32.066. Boiling Point: 717.9 K 444.75° C 832.55° F. Coefficient of lineal thermal expansion /K-1: 74.33E -6. Conductivity. Electrical: 5.0E -24 10 6 /cm Ω. Thermal: 0.00269 W/cmk. Density: 2.07g/cc @ 300K. Description: Solid pale yellow non-metal that is stable in air and water but burns if heated That's where atomic number and mass number are useful. Figure 4.5. 1: It is difficult to find qualities that differ between each element, and to distinguish one element from another. Each element, however, does have a unique number of protons. Sulfur has 16 protons, silicon has 14 protons, and gold has 79 protons

How to find the Number of Protons, Electrons, Neutrons for

Fluorine - Chlorine, Bromine, Iodine and Astatine. Oxygen - Sulfur, Selenium, Tellurium and Polonium. 23. The modern Periodic Table of Elements is arranged according to Atomic Number (the number of protons in one atom) 24. Atomic # = 2 The atomic number of sulfur is 16, which means that sulfur has 16 protons (which will be placed in the nucleus) and 16 electrons. To place the electrons, you first have to put the maximum number of electrons in the first layer (two electrons) D)the total number of protons and the total number of electrons in the atom 16.What can be determined if only the atomic number of an atom is known? A)69 B)79 C)118 D)197 17.What is the total number of protons in an atom with the electron configuration 2-8-18-32-18-1? A)number of protons equals the number of electrons B)number of protons equals. Sulfur can do a number on shipwrecks. A 2008 study of a Swedish warship that sank in 1628 found more than 2 tons of sulfur impregnating the timbers of the salvaged vessel. Excuse you

The number of entities composing a mole has been experimentally determined to be \(6.02214179 \times 10^{23}\), a fundamental constant named Avogadro's number (N A) or the Avogadro constant in honor of Italian scientist Amedeo Avogadro. This constant is properly reported with an explicit unit of per mole, a conveniently rounded version. How many protons, neutrons, and electrons are in an atom of 197 Au? Answers: The superscript 197 is the mass number, the sum of the numbers of protons and neutrons. According to the list of elements given on the front inside cover of this text, gold has an atomic number of 79

Atomic number refers to the number of protons that are present in the nucleus of an element. It refers to the average weight of a particular element. It refers to the total number of nucleons that are present in the atom's nucleus. Atomic mass is denoted by the letter A. The letter Z is used for representing the atomic number Element 16 of Periodic table is Sulfur with atomic number 16, atomic weight 32.065. Sulfur, symbol S, has a Face Centered Orthorhombic structure and Yellow color. Periodic table is arranged by atomic number, number of protons in the nucleus which is same as number of electrons. 23 V - Vanadium 24 Cr - Chromium 25 Mn - Manganese. 4.7/5 (1,291 Views . 42 Votes) Sulfur has one more electron pair in its 3s subshell so it can undergo excitation one more time and place the electron in another empty 3d orbital. Now sulfur has 6 unpaired electrons which means it can form 6 covalent bonds to give a total of 12 electrons around its valence shell. Click to see full answer The number of protons an atom possesses is what gives the atom its identity—all atoms of a particular element have the same number of protons in their nuclei. For example, all of the sulfur atoms in the pile of sulfur we looked at above have 16 protons in their nucleus. If they had one more proton in their nucleus, they would have a different.

A lithium atom has the atomic number (Z) of 3, and the atomic mass (A) of 6.94 (round it up to 7!). Therefore lithium contains three protons (found from Z), and three electrons (as the number of protons must be equal to the number of electrons in order for the atom to be neutral). Lithium also contains four neutrons (7 - 3 = 4) Category: science chemistry. 4.8/5 (460 Views . 40 Votes) Germanium (Ge). Diagram of the nuclear composition, electron configuration, chemical data, and valence orbitals of an atom of germanium-73 (atomic number: 32), an isotope of this element. The nucleus consists of 32 protons (red) and 41 neutrons (orange) the number of protons in the nucleus: the total number of nuclear particles (protons plus neutrons) in the nucleus the electric charge of the most common ion the number of neutrons in the nucleus 19. A monatomic ion has 16 protons, 16 neutrons and a charge of minus 2. The number of electrons in this ion is: 34 30 18 16 14 20 Number Atomic Mass Protons Neutrons Electrons Li 3 4 3 P 15 16 15 Cl 17 18 17 Ni 59 28 28 K 19 19 20 Ag 108 47 47 H 1 0 1 Si 14 28 14 W 74 36 74 Ne 10 20 10 NOTE: The number protons and electrons is equal to the atomic number. To find neutrons, subtract the number of protons from the atomic mass

Protons Neutrons & Electrons of All Elements (List + Images

This discovery was so important to our understanding of atoms that the number of protons in the nucleus of an atom is called the atomic number The number of protons in the nucleus of an atom.. The atomic number of sulfur is 16. Therefore, in a neutral atom of sulfur, there are 16 electrons. N 11 23 a. It is not absolutely necessary to. 2. What does the number next to isotopes signify? 3. How can you tell isotopes apart? For each of the following isotopes, write the number of protons, neutrons, and electrons. Chromium-58 Chromium-63 Carbon-12 # of protons # of neutrons # of electrons Sulfur-23 # of protons # of neutrons # of electrons Carbon-16 Sulfur-25 Selenium-35 # of protons The number of protons an atom has defines what chemical element it is, this number is sometimes called its atomic number. For example, hydrogen has one proton and sulfur has 16 protons. Because the mass of neutrons and protons is very similar, and the mass of electrons is very small, we can call the amount of protons and neutrons in an atom its. 28. Find the number of protons and electrons for the following ions. A. 1+Silver ion (Ag ) 47 protons 46 electrons B. 4Carbon ion (C-) 6 protons 10 electrons C. Strontium ion (Sr2+) 38 protons 36 electrons 29. Isotopes have the same number of protons, and different number of mass number or neutrons. 30 sulfur -36 ( uncountable ) ( physics) A minor stable isotope of sulfur, 3616 S, having sixteen protons and twenty neutrons; it amounts to only 0.01% of the element in nature

The atomic mass of an element element is measured in atomic mass unit (amu, also known as Daltons ' D'or unified atomic mass unit 'u'). 1amu = 1.66 x 10 -24 grams. 1gm = 6.022 x 10 23 amu ( i.e. Avogadro's number). Atomic number = Number of protons = Number of electrons = 13. No. of neutrons = Mass number - No. of protons = 27-13 = 14 The atomic number defines the identity of an element. 2. In an electrically neutral atom, the number of protons equals the number of electrons. 3. Isotopes have different numbers of neutrons in their nuclei. 4. The mass number is the sum of the numbers of protons and neutrons in the nucleus of an atom The Number of Neutrons Atoms are composed of electrons, protons, and neutrons. The relative mass of the electrons is 0 amu, while the relative masses of the protons and neutrons are each 1 amu. The mass of an atom (A) is there fore equal to the sum of the atoms protons (Z) and neutrons (N). The number of protons (Z) is also known as the atomic. What is the nuclear charge of an atom with a mass of 23 and an atomic number of 11? (1) 11+ (2) 12+ (3) 23+ (4) 34+ How do you figure this out? Would the answer be (1) 11+ since the atomic number is 11 and atomic #=protons which . You can view more similar questions or ask a new question The number of protons in the nucleus of an atom decides what element that atom is. symbol Na, mass 23, 11 protons, 23 - 11 = 12 neutrons and 11 electrons; atom of iron-56, mass 56, isotope sulfur-32 in the form of the sulfide ion, 16 protons, 16 neutrons, 18 electrons (two electrons gained to form the doubly charged negative ion).

Sulfur - Discoverer - Year of Discover

23 Atomic number equals the number of PROTONS and ELECTRONS Atomic mass equals the number of PROTONS + NEUTRONS Atomic Number Symbol Element Name Atomic Mass Determine if the element is a metal, nonmetal or metalloid. Use blue to represent metals, yellow to represent nonmetals and green to represent metalloids The of protons found in a sulfur atom is The number Of neutrons found in an aluminum-27 atom is The number Of electrons found in a zinc atom is 22 protons, 23 neutrons 4 18 protons, 22 neutrons 40 25 protons, 32 neutrons 57 Determine the number of protons and neutrons from the following symbols

The Elements, sorted by Atomic Number - Angel

Atomic Number: 11 Atomic Mass: 23 Protons: 11 Neutrons: 12 Electrons: 11 Magesium Mg Sulfur S Atomic Number: 16 Atomic Mass: 32 Protons: 16 Neutrons: 16 Electrons: 16 Chlorine Cl Atomic Number: 17 Atomic Mass: 35 Protons: 17 Neutrons: 18 Electrons: 17. Atomic Number: 21 Atomic Mass: 44.95591 amu Melting Point: 1539.0 °C (1812.15 K, 2802.2 °F) Boiling Point: 2832.0 °C (3105.15 K, 5129.6 °F) Number of Protons/Electrons: 21 Number of Neutrons: 24 Classification: Transition Metal Crystal Structure: Hexagonal Density @ 293 K: 2.989 g/cm 3 Color: silvery Atomic Structur The number of protons, Z, is found in the periodic table with the symbol for the element. The atoms are neutral, and so the number of electrons is equal to the number of 2K 19 protons, 23 neutrons, 19 electrons 43h) K 19 protons, 24 neutrons, 19 electrons S sulfur nonmetal h) Si silicon metalloid . 4 12) For each of the following. • The period number refers to the number of electron shells or primary energy levels an atom of each element has. Ex: Period 3 elements—Na, Mg, Al, Si, P, S, Cl, and Ar—have three primary electron energy levels. • Atomic mass (i.e. an approximation of the number of protons + number of neutrons) increases a

How many neutrons does sulfur 25 have? - Answer

For each of the following isotopes, write the number of protons, neutrons, and electrons. Carbon-12 Carbon-16 # of protons # of neutrons # of electrons Chromium-58 Chromium-63 # of protons # of neutrons # of electrons Nitrogen-15 Nitrogen-20 # of protons # of neutrons # of electrons Sulfur-23 Sulfur-25 # of protons # of neutrons # of electron sulfur Atomic number l?) 4 20 Mass number Standard atomic notation ICS Number of protons 13 20 10 8 Number of electrons Number of neutrons zz 20 18 / I q 10 20 n (-10 / 36 [o quawala SWDJ6D!O O . Title: Bohr Model Worksheet Answer Key Created Date: 1/23/2017 4:32:25 AM.

Isotopes of sulfur - Wikipedi

The mass number is used to calculate the number of neutrons & electrons in one atom of an element. In order to calculate the number of neutrons you must subtract the atomic number from the atomic mass. Give the symbol and number of protons in one atom of: Lithium Li, 3_____ Bromine Br, 35_____Iron Fe, 26____ Variation Of Oxidation State Along a Period. While moving left to right across a period, the number of valence electrons of elements increases and varies between 1 to 8. But the valency of elements, when combined with H or O first, increases from 1 to 4 and then it reduces to zero. Consider two compounds containing oxygen Na 2 O and F 2 O a) 20 protons and 22 electrons. b) 20 protons and 20 electrons. c) 20 protons and 18 electrons. d) 22 protons and 20 electrons. 22. A sulfide ion, 16 S 2-, has: a) 16 protons and 16 electrons b) 32 protons and 16 electrons c) 16 protons and 14 electrons d) 16 protons and 18 electrons 23 For each of the following isotopes, write the number of protons, neutrons, and electrons. Carbon-12 Carbon-16 # of protons # of neutrons # of electrons Chromium-58 Chromium-63 # of protons # of neutrons # of electrons Nitrogen-15 Nitrogen-20 # of protons # of neutrons # of electrons Sulfur-23 Sulfur-25 # of protons # of neutrons # of electrons.

Study Exam 2 Review Flashcards Quizle

A) number of protons equals the number of electrons B) number of protons equals the number of neutrons C) ratio of the number of neutrons to the number of electrons is 1:1 D) ratio of the number of neutrons to the number of protons is 2:1 7.An atom is electrically neutral because the A) decreases B) increases C) remains the same 8.As the number. To determine the number of protons in neutrons in an item you first need to get a periodic table. For example, take carbon, which has an element symbol of C. If you look on the periodic table you can see it has an atomic number of 6. The atomic number is NOT the same as atomic mass, it's the number of protons in the atom..

Carbon A carbon atom has a mass number of 12 andPPT - Chapter 2 Atoms and Elements PowerPoint Presentation

the charge is negative. If the number of protons is greater than the number of electrons, the charge is positive. a. 19 protons and 18 electrons = K+ c. 35 protons and 36 electrons = Br- b. 7 protons and 10 electrons = N3- d. 23 protons and 21 electrons = V2+ 3.5 Use the identity of the element to determine the number of protons. The charge. Sulfur is an element that exists in nature and can be found in soil, plants, foods, and water. 1 Some proteins contain sulfur in the form of amino acids. 2 Sulfur is an essential nutrient for plants. 3 Sulfur can kill insects, mites, fungi, and rodents. Sulfur has been registered for use in pesticide products in the United States since the. Represents a sodium atom which always has 11 protons and in this case has a mass number of 23. (Note: This means that there are 12 neutrons. 23 - 11 = 12) Determining the number of electrons- The number of electrons in an element can change. For a neutral atom, the number of protons is exactly equal to the number of electrons. So the number. d) Atomic number is the number of protons in the nucleus of an atom. e) The mass of the electrons is a small fraction of the total mass of any atom. 17. The element Fluorine has only one really stable isotope. What is the composition of its nucleus? a) 19 protons b) 9 protons and 19 neutrons c) 9 protons and 10 neutrons d) 10 protons and 9. The number of protons is the atomic number, and the number of protons plus neutrons is the atomic mass. For hydrogen, the atomic mass is 1 because there is one proton and no neutrons. For helium, it is 4: two protons and two neutrons. For most of the 16 lightest elements (up to oxygen) the number of neutrons is equal to the number of protons

Atom basicsWhat's Up With Atomic Orbital? - ProProfs QuizRespiratory chain

4. This element has the more than 50 but less than 75 protons and it is in group 17. _____ 5. This group 2 element has fewer protons than bromine, but more protons than sulfur. _____ 6. This element has the lowest atomic number of any group 16 element. _____ 7. This element has an atomic number that is double the atomic number of silicon. _____ 8 Which of these elements also has 6 valence electrons? 30. 7. Which has more protons, sulfur or iodine? Sulfur (16 S) has 23 known isotopes with mass numbers ranging from 27 to 49, four of which are stable: 32 S (95.02%), 33 S (0.75%), 34 S (4.21%), and 36 S (0.02%). Which statement best explains how periods on the periodic table are organized? Is mercury a heavier element than tin? 5. B) the number of protons plus neutrons. C) the number of protons. D) the number of electrons plus protons. E) the number of neutrons. 23) What is the mass number of an atom of potassium that has 20 neutrons? B) 19 C) 35 D) 39 E) 59 24) Consider a neutral atom with 30 protons and 34 neutrons. The atomic number of the element is (i) , the mass. What is Sulfur. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. The chemical symbol for Sulfur is S.. Sulfur is abundant, multivalent, and nonmetallic. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8