Electron Shells

Question 1

Electrons always occupy [ ]

Answer 1

Shells (sometimes called energy levels)

Question 2

Which energy levels are filled with electrons first?

Answer 2

The lowest energy levels

Question 3

How many electrons can go in the first 3 shells?

Answer 3

2,8,8

Question 4

When do atoms want to react? and when not?

Answer 4

If an atom has a full outer shell (like noble gases) they are nonreactive
If they don’t have a full outer shell they’re reactive

Question 5

Which shell has the highest energy level?

Answer 5

The furthest out shell