Answer the following question given this paragraph: 

Electricity is a flow of electrons. Atoms of metals tend to give up electrons, explaining why they are good conductors of electricity. The tendency to give up electrons also explains many of the other properties of metals.


Q: Why are atoms of metals good conductors of electricity?

 Choices:

- break into smaller parts

- conserve heat

- hold on to electrons

- give up electrons

A:
give up electrons
