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Card 6

Front

How are elements in the periodic table arranged in terms of protons?

Back

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Card 7

Front

How are elements in the periodic table arranged in terms of electrons?

Back

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Card 8

Front

State two properties of transition elements that make them more useful than alkali metals for making water pipes

Back

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Card 9

Front

Give the name of a carbonate in scale

Back

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Card 10

Front

What gas is produced when acids react with scale?

Back

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Card 11

Front

Why does hydrochloric acid react faster than ethanoic acid?

Back

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Card 12

Front

Why should hydrochloric acid not be used to dissolve scale in kettles?

Back

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Card 13

Front

Why is a temperature lower than 450 degrees not used for the Haber process?

Back

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Card 14

Front

How is Ammonia separated from unreacted nitrogen and hydrogen in the Haber process?

Back

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Card 15

Front

What type of energy is released by hydrogen fuel cells?

Back

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