Electrons determine the chemical properties. Protons and neutrons are in the nucleus the number of protons determines the number of electrons of an atom
PV = nRT. Where P = pressure, V = volume, n = number of moles, R = universal gas constant and T = temperature. Hope this helps!
You are actually giving 5 points. Ps I just got five points for telling you that
B. It is the heat required to change a gram of substance from solid to liquid
Answer:
2 is the valancy of alkine