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15-06-2021
Chemistry

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PLEASE HELP!!! (chemistry)

PLEASE HELP chemistry class=

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890221048 890221048

15-06-2021

Answer:

first one

Explanation:

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OverpoweredNoob OverpoweredNoob

15-06-2021

Answer:

Ca2N3 (Calcium nitride)

Explanation:

Calcium nitride should be Ca3N2 because Ca has a charge of +2 and N has a charge of -3. The charges then flip when the compound is formed.

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