effect of H2O on oxides and hydroxides of period 3 elements

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7 Terms

1
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oxides

react with water to form hydroxides

2
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MgO and Mg(OH)2 react with HCl

form MgCl2 and H2O

3
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aluminium oxide

doesnt react with water but reacts with acids and alkalis to form a salt and water

4
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Al2O3+acid

alkali behaviour

5
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Al2O3+base

acidic behaviour

6
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amphoteric

substance that is able to behave as both an acid or base

7
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silicon dioxide

doesnt react with water due to its giant molecular structure…reacts with hot, concentrated alkali behaving acidic…known as an acidic oxide