Question

group or column The sum of the masses of all the protons and neutrons in an atom. Represents the tendency of the atom to either give up its electron in a reaction or take on the electrons from another atom. This is the count of the number of protons in an atom. Based on how the electrons are filling the available orbitals. Based on the the orbitals that exist in the atom.

Answer 1

c.  protons and neutrons