Electronic structure

Question 1

Electrons occupy what, around an atom?

Answer 1

Shells

Question 2

Which shell is always filled first?

Answer 2

The lowest

Question 3

What is the maximum number of electrons that can fit in shells 1-3?

Answer 3

2, 8, 8

Question 4

What do electrons try and do to their outer shell?

Answer 4

Fill them

Question 5

How do you work out electron structures?

Answer 5

1. look at the atomic number on the periodic table
2. this tells you the number of electrons
3. fill in the 2 8 8 way until you reach the atomic number