Which of the following factors determines the size of an atom?!

size-of-atom

#1

1- Which of the following factors determines the size of an atom?
(a) The volume of the nucleus; (b) the volume of space occupied by the electrons of the atom;
© the volume of a single electron, multiplied by the number of electrons in the atom; (d) the total nuclear charge; (e) The total mass of the electrons surrounding the nucleus.

Answer:

b