I only need the finel answers plz An isotope of sulfur has an atomic mass of 31

Question

I only need the finel answers plz

An isotope of sulfur has an atomic mass of 31 and an atomic number of 16. How many protons, neutrons, and electrons does it have? Protons Neutrons Electrons A. 16 15 16 B. 15 16 16 C. 31 0 31 D. 0 31 0 E. 16 16 15 2. Order the following elements based upon their ability to conduct heat and electricity (fr highest to lowest using the >, greater than symbol): Te, Cl, Ni Highest Lowest A. Te > Cl > Ni B. Te > Ni > Cl C. Cl > Te > Ni D. Ni > Cl > Te E. Ni > Te > Cl 3. How many C atoms are there in 3 molecules of (CH3)2CF2? A. 3 B. 2 C. 1 D. 9 E. 6 4. A compound is 75.46% carbon, 4.43% hydrogen, and 20.10% oxygen by mass. It has a molecular weight of 318. g/mol. What is the molecular formula for this compound? A. C17H18O6 B. C5OH3.5 C. C10H7O2 D. C2OH14O4 E. C6H4O

Explanation / Answer

my answer is 1A 2C 3E 4D

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