Ionic bonding

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What is an ion?
A charged atom that has a fuller outer shell
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What is a cation?
A positively charged atom
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What is an anion?
A negatively charged atom
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How many electrons does a group 1 atom have on its outer shell
1
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How many electrons does a group 2 atom have on its outer shell
2
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How many electrons does a group 6 atom have on its outer shell
6
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How many electrons does a group 7 atom have on its outer shell
7
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To become an ion what does an atom from group 1 or 2 do?
Looses 1 electron on outer shell if group 1 and 2 electrons if group 2
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To become an ion what does an atom from group 6 or 7 do?
Gains 1 electron for group 7 or two for group 6
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What is an ionic bond?
The transfer of electrons between a metal and a non metal
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Describe the structure of an ionic bond
Oppositely charged ions held together by strong electrostatic forces in a regular lattice arrangement
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What makes an ionic bond have high melting/boiling points
Strong electrostatic forces of attraction are very hard to break
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Why does a solid ionic structure not conduct electricity
The ions are not free to move so cannot transfer the current
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Why does an aqueous or molten ionic substance conduct electricity
The ions are free to move so can carry the charge
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Card 2

Front

What is a cation?

Back

A positively charged atom

Card 3

Front

What is an anion?

Back

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Card 4

Front

How many electrons does a group 1 atom have on its outer shell

Back

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Card 5

Front

How many electrons does a group 2 atom have on its outer shell

Back

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