Electron Shells Flashcards
1
Q
What are electron shells sometimes called
A
Energy levels
2
Q
When are the lowest energy levels filled (electron shells)
A
First
3
Q
What is the maximum amount of electrons in each of the 3 shells
A
1st - 2
2nd - 8
3rd - 8
4
Q
What do atoms aim to be?
A
Full - like the Nobel gases in group 0
5
Q
What does the atom want to do if the outer shell is not full?
A
React to fill it
6
Q
The periodic table tells you how many electrons will be needed, how?
A
The bottom number, the atomic number tells you how many electrons the element has
The top atomic number tells us how many protons and neutrons the element has
