How Are The Electrons Arranged? Flashcards
1
Q
What can you show electrons as?
A
Dots or crosses.
2
Q
Each shell can hold a limited number of electrons. What are they for each shell?
A
First shell= 2 electrons
Second shell= 8 electrons
Third shell= can hold up to 18 but fills up with only 8 before the 4th shell is started.
3
Q
What’s the electronic configuration of an atom?
A
Gives the number of it’s electrons and the arrangement of the shells.