13-12-2018
Chemistry

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how many molecules, elements, and total atoms are present in the following chemical formula? Mg(NO3)2

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simplynatalie11 simplynatalie11

13-12-2018

1 molecule. the coefficient tells you that and since there isn't one then it's 1 molecule.
There is 3 elements. Mg= 1 atom N=2 atoms O=6 atoms. The total number of atoms is 9.

To put it simple
1 molecule
3 elements
9 atoms

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