2.3 Electronic Structures

Question 1

What are the numbers in shells one to four?

Answer 1

1 =2
2=8
3=18
4=32

Question 2

What is a filled shell?

Answer 2

A shell that contains the maximum number of electrons.

Question 3

Sodiums Electron Configuration

Answer 3

2. 8. 1
      Period 3
      Group 1

Question 4

What determines the period?

Answer 4

The amount of shells occupied?

Question 5

What determines the group?

Answer 5

The last number in the shell.