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Card 16

Front

Explain why silicon dioxide has a giant structure?

Back

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Card 17

Front

Explain how atoms form a piece of sodium are held together?

Back

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Card 18

Front

What are the properties of simple covalent molecules?

Back

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Card 19

Front

Why do simple covalent structures have low boiling/melting points?

Back

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Card 20

Front

Why are ionic compounds solid at room temperature?

Back

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Card 21

Front

Why can ionic substances conduct electricity when molten or dissolved in water (in past paper)?

Back

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Card 22

Front

Why are ionic compounds unable to conduct electricity when they are solid?

Back

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Card 23

Front

Why can’t simple molecules conduct electricity?

Back

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Card 24

Front

Why do simple molecules have low boiling points and melting points?

Back

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Card 25

Front

What are intermolecular forces?

Back

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