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Anna [14]
3 years ago
9

Which of the following shows a correct Lewis dot structure

Chemistry
2 answers:
GarryVolchara [31]3 years ago
7 0

Answer:

The correct Lewis structure is D)

Explanation:

The Lewis structure always has to represent the electrons of the most external level of the atom, also called valence electrons. These electrons will be involved in an eventual chemical reaction.

In this case the only correct answer is the structure of N which has 5 electrons on its most external level.

Vitek1552 [10]3 years ago
6 0
D is a correct Lewis Dot structure. Nitrogen has 4 valence electrons. 
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Read 2 more answers
Convert to moles:<br> 100.0g Ca3(PO4)2
salantis [7]

Answer:

0.322 moles

Explanation:

Given Mass, m = 100 g

The molar mass of Ca₃(PO₄)₂

Ca₃(PO₄)₂ = (3 x 40.08) + (2 x 30.97) + (8 x 16.00)

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