Atomic weight of an atom is Number of protons Number of prot

Atomic weight of an atom is: Number of protons Number of protons and electrons Number of neutrons A and C

Solution

Atomic Number :The atomic number of an atom is simply thenumber of protons in its nucleus.

ATOMIC WEIGHT:

The atomic weight of an atom is given in most cases by the mass number of the atom, equal to the total number of protons and neutrons combined.

SO ANSWER WILL BE protons+nuetrons