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How many times heavier is a He atom compared to a H atom?

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Question

How many times heavier is a He atom compared to a H atom?

a. A helium atom is ~2 times heavier than a hydrogen atom.

b. A helium atom is ~5 times heavier than a hydrogen atom.

c. A helium atom is  ~8 times heavier than a hydrogen atom.

d. A helium atom is ~4 times heavier than a hydrogen atom.

 
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