Friday, February 24, 2012

7.2

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7.2 starter

31 January 2012

11:35

Tell the person next to you…
· The names of 3 subatomic particles
· What properties do they have?
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7.2

11 January 2012

14:49
· 7.2 describe the structure of an atom in terms of protons, neutrons and electrons and use symbols such as 146C to describe particular nuclei
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