Chem - 100

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Chemistry

A-Level Chemistry

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16 Terms

1
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H

1 bond, 0 lone pairs

2
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O

2 bonds, 2 lone pairs

3
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N

3 bonds, 1 lone pair

4
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C

4 bonds, 0 lone pairs

5
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Halogens

1 bond, 3 lone pairs

6
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Anion

Add e-

7
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Cation

Remove e-

8
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H20

2 single bonds, 2 lone pairs on O. Polar

<p>2 single bonds, 2 lone pairs on O. Polar</p>
9
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CO2

2 double bonds. Non-polar

<p>2 double bonds. Non-polar</p><p class="has-focus"></p>
10
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NH 4+

4 single bonds, 1 charge

<p>4 single bonds, 1 charge</p>
11
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No 3 -

3 resonance forms,1 double bond each form

<p>3 resonance forms,1 double bond each form</p>
12
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Co3 2-

Like No3- but with -2 charge

<p>Like No3- but with -2 charge</p>
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So4 2-

2 double + 2 single bonds, resonance, -2 charge

<p>2 double + 2 single bonds, resonance, -2 charge</p>
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Ionic

Metal & non metal. Transferring e-

15
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Covalent

Non metals & non metals. Sharing e-

16
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Structural formula

No lone pairs