Electron Arrangement Flashcards
1
Q
How many electrons are in the 1st shell?
A
2
2
Q
How many electrons are in the 2nd shell?
A
8
3
Q
How many electrons are in the 3rd shell?
A
8
4
Q
How many electrons are in the 4th shell?
A
16
5
Q
What are the electron arrangement rules?
A
Fill the shells closer to the nucleus first
Keep electrons apart as they repel until here is no more room.
Put remaining electrons into pairs
