metal have free electrons in their outer shell which make them generally good conductors of electricity. Example is the copper which is used for electrical wiring since is a good conductor of electricity. copper with electronic configuration of (Ar)4s2 has two free electrons in their outer most shell which allow it to conduct electricity.
Answer:
i think b is the answer hope this helps:))
There will be seven characters so the answer is e
Answer:
1s2 2s2 2p2
Explanation:
it has 6 electrons in two energy levels so the sub levels are 1s, 2s and 2p