The Arrangement of electrons in atoms Flashcards
0
Q
How much energy can the 1st shell hold?
A
2 electrons.
1
Q
How are the electrons arranged in an atom?
A
Energy levels or shells.
2
Q
How much energy can the 2nd shell hold?
A
8 electrons.
3
Q
When does the 4th shell start to fill up?
A
After 8 electrons occupy the 3rd shell.
When the 3rd Shell is full
4
Q
What determines the way that the element reacts?
A
The number of electrons in the outermost shell.