Formation of ions

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10 Terms

1
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What are ions?

Charged particles. Can be positively or negatively charged

2
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What happens when an atom loses or gains electrons?

it becomes an ion

3
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What happens when metals lose electrons?

they become positively charged ions

4
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What happens when non- metals gain electrons?

They become negatively charged ions

5
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Do group 1 and 2 elements lose or gain electrons?

Lose electrons.

6
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Do group 6 and 7 atoms pose or gain electrons?

Gain electrons

7
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What charge do group 1 elements have?

+1

8
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What is the half equation for a group 1 atom?

Li --> Li+ + e-

9
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What is the charge of a group 6 atom?

-2

10
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What is the half equation for a group 6 atom?

Br + e- --> Br-