Deuterium is an isotope of hydrogen and is represented by $_{1}^{2} H$ . How many deuterium atoms are present in heavy water?

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Solution

The correct option is B
2

Deuterium is an isotope of hydrogen. It has only one electron. The chemical formula of heavy water is $D_{2} O$ . Thus, there are two deuterium atoms in a molecule of a heavy water.

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Deuterium an isotope of hydrogen has two neutrons in its nucleus.

Deuterium is an isotope of hydrogen and is represented by $_{1}^{2} H$ . How many deuterium atoms are present in heavy water?

2

16

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