I just need the answer!!!!!!!!!!!!!!!!!
Question 12 Multiple Choice 20 points
An atom of the isotope sulfur - 31 consists of how many protons, neutrons, and electrons, (p = proton, e = electron, n = neutron):
15 p, 16 n, 15 e
16 p, 15 n, 16 e
16 p, 31 n, 16 e
32 p, 31 n, 32 e
16 p, 16 n, 15 e
Question 13 Multiple Choice 20 points
An exothermic reaction causes the surroundings to:
decrease its temperature
Question 14 Multiple Choice 20 points
Which is the formula for the binary compound of potassium and nitrogen?
Question 15 Multiple Choice 20 points
How many mL is 0.005 L?
This is fluorine (one electron more and you get the element ...
Short answers to quizz questions are given without further explanation.
The topics are, atoms, electron configuration, exothermic reaction, chemical formula and unit of volume.