Atomic Structure (1C)

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GCSE Chemistry Note on Atomic Structure (1C), created by karim14 on 29/05/2013.
karim14
Note by karim14, updated more than 1 year ago
karim14
Created by karim14 over 11 years ago
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Resource summary

Page 1

Protons and Neutrons are found in the Nucleus and the Electrons orbit around the Nucleus in shells, as shown here

Isotopes are elements that differ in the number of Neutrons only!

Relative Abundance

They are arranged in order of there atomic number. Group number  - Represents number of electrons in the outer shell. 

Electronic Configuration First 20 Elements

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