Electron Shells Flashcards
1
Q
Electrons always occupy [ ]
A
Shells (sometimes called energy levels)
2
Q
Which energy levels are filled with electrons first?
A
The lowest energy levels
3
Q
How many electrons can go in the first 3 shells?
A
2,8,8
4
Q
When do atoms want to react? and when not?
A
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
5
Q
Which shell has the highest energy level?
A
The furthest out shell
