Fill in the Blanks :
1) Number of Proton + Number of Neutron is the ________ of an element.
2) A-Z indicates the number of _______ in the nucleus of an atom.
3) Z = number of protons in the nucleus of an atom = number of _____ in a neutral atom.

Respuesta :

Mibo

Answer:

Explanation:

1. Mass number

2. Protons

3. Electrons