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mezya [45]
3 years ago
15

Help it is due tomorrow ​

Chemistry
2 answers:
tresset_1 [31]3 years ago
7 0
There are 2 H atoms shown using the subscript and 1 Mg atom because the is no subscript in total there are 5 added all together.
Anon25 [30]3 years ago
4 0

Answer:

2 H atoms

1 Mg

5 total atoms

Explanation:

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Mole is base unit of substance. The number of particles in one mole is equal to 6.022 × 10²³. The number of particle in a mole is called as Avogadro's number.

The mole of substance is the amount of substance that contain elementary particles as the number of atoms. the symbol of mole is mol. it is the SI unit of amount of substance. The number particles are ion one mole of substances is 6.022 × 10²³. The number of particles in one mole of substance is called as Avogadro's number.

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