How many electrons does a nickel (iii) ion have?

1. 31
2. 28
3. 3
4. 25

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic

Ithink the answer is d

Ithink ahopefully im correct 

The answer is c. risk