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Chemistry, 18.03.2021 02:00 curiouscadencee

The number marked in red in front of an ammonia 4 NH3 molecule is called I.
All choices are correct

II.
Coefficient

III.
- shows how many atoms of an element are in a molecule

IV.
Describes a physical change

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The number marked in red in front of an ammonia 4 NH3 molecule is called I.
All choices are...

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