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Card 6

Front

6.What's the maximum number of electrons that each of the first three electron shells will hold?

Back

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Card 7

Front

7.The proton number of aluminium is 13. What is its electronic structure?

Back

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Card 8

Front

8.What is an ion?

Back

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Card 9

Front

9.Why does magnesium form ions with a 2+ charge, while sodium only forms ions with a 1+charge?

Back

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Card 10

Front

10.Explain why ionic compounds conduct electricity when they're molten, but not when they're solid.

Back

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Card 11

Front

11.Describe how a covalent bond forms.

Back

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Card 12

Front

12.Why do simple molecular substances have low melting and boiling points?

Back

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Card 13

Front

13.List three typical properties of giant covalent structures.

Back

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Card 14

Front

14.Name three substances that have a giant covalent structure.

Back

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Card 15

Front

15.Name the type of molecules that plastics are made from.

Back

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