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Card 6

Front

Why does sodium chloride have a lower melting point than magnesium chloride?

Back

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Card 7

Front

How many electrons are involved in each covalent bond?

Back

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Card 8

Front

Which sort of elements form covalent bonds?

Back

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Card 9

Front

What does a covalent bond involve?

Back

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Card 10

Front

Where do the electrons in a covalent bond come from?

Back

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Card 11

Front

How many covalent bonds are there in an ammonia molecule?

Back

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Card 12

Front

What type of structure do diamond and graphite have?

Back

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Card 13

Front

Why might fullerenes be used in new drug delivery systems?

Back

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Card 14

Front

In what physical state or states do ionic substances conduct electricity?

Back

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Card 15

Front

How does the structure of nanotubes make them suitable as catalysts?

Back

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