Question

4. Calculate the number of neutrons, protons
and electrons: (i) atomic number 3 and
mass number 7 (ii)atomic number 92 and
mass number 238.​

Answer 1

Answer:

I. Protons 3 Neutrons 4 Electrons 3 II. Protons = Electrons = 92 Neutrons = 146.

Explanation:

Protons are = Electrons = atomic no. and Neutrons = Electron Or Protons - Atomic mass.