The mass of a helium atom is twice that of the hydrogen atom

True

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False

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Solution

The correct option is B False
Mass number of helium is 4.
Mass number of hydrogen is 1.
Therefore the mass of helium is 4 and that of hydrogen is 1.
Hence mass of helium is 4 times the mass of hydrogen.
Hence the given statement is false.

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The mass of a helium atom is twice that of the hydrogen atom

The correct option is B FalseMass number of helium is 4.Mass number of hydrogen is 1.Therefore the mass of helium is 4 and that of hydrogen is 1.Hence mass of helium is 4 times the mass of hydrogen.Hence the given statement is false.

The correct option is B False
Mass number of helium is 4.
Mass number of hydrogen is 1.
Therefore the mass of helium is 4 and that of hydrogen is 1.
Hence mass of helium is 4 times the mass of hydrogen.
Hence the given statement is false.