Period 3

Variations in Period 3 elements

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  • Created by: Laura
  • Created on: 02-03-10 17:44

Atomic Radius

Increasing the nucleur positive charge

Electrons put into the same main shell

No benefits of any additional nucleur shielding

Inward attractive forcces increase

Atomic radius decreases

1 of 2

Variation in I.E.

P compared with S

3s2 3p3- P

Outer electron in S 3p4 is paired

Elctron repulsion

Removal of electron is easier because of electrostatic repulsion

2 of 2


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