Chemistry- Extras

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Chemistry

A-Level Chemistry

AQA

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14 Terms

1
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Copper common valencies
1+ or 2+
2
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Silver common valency
1+
3
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Chromium common valency
2+ or 3+
4
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Cobalt common valency
2+ or 3+
5
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Zinc common valency
2+
6
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Lead common valency
2+
7
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Nickel common valency
2+
8
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Iron common valency
2+ or 3+
9
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Phosphate formula
PO4 3-
10
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Metal + oxygen
metal oxide
11
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Metal + acid
salt + hydrogen
12
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Metal + water
metal hydroxide + hydrogen
13
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Metal hydroxide + acid
salt + water
14
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Metal carbonate + acid
salt + water + carbon dioxide