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geniusboy [140]
3 years ago
13

How many valence shell electrons does an atom of aluminum have

Chemistry
1 answer:
DedPeter [7]3 years ago
3 0
Aluminum has 3 valence electrons 
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Nostrana [21]
The answer should be D all of the above
3 0
3 years ago
Read 2 more answers
Mg(OH)2+2 HCI = MgCI2+ H2O
In-s [12.5K]

Answer:

Mg(OH)2 + 2HCI ⇒ MgCI2 + 2H2O

Explanation:

In order to balance a chemical equation you need to make sure both sides of the equations are equal.

Mg(OH)2 + 2HCI = MgCI2 + H2O

Mg = 1

Oh = 2

HCI = 2

Products:

Mg = 1

CI = 2

H = 2

O = 1

2H20 = 1 × 2 = 2

2 × 2 = 4

2HCI

1 × 2 = 2

Mg(OH)2 + 2HCI ⇒ MgCI2 + 2H2O

Hope this helps.

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How do neutral metal atoms form ions?​
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What is the effect of adding heat to a gas at constant pressure?
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