Question

How to find the number of protons, neutron, and electrons.

Answer 1

1. Your mass number is the total number of neutrons and protons within the atom.
2. Your atomic number is the amount of protons within the atom.
3. For neutral atoms, the electron number is the same as the atomic number.otherwise it depends on the charge of the atom.eg: N3- has 3 extra ē. K2± has an absence of ē.

• You can simply subtract the atomic number from the mass number in order to find the number of neutrons.