The correct option is B 1/12th mass of an atom of C 12 atom1/12 th mass of C 12 atoms ...

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Atomic Mass

1 u or 1 amu ...

Question

1 u or 1 amu means

\frac{1}{12}

th mass of an atom of C-12 atom

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Mass of C-12 atom

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Mass of Hydrogen molecule

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Solution

The correct option is A $\frac{1}{12}$ th mass of an atom of C-12 atom
$\frac{1}{12}$ th mass of C-12 atoms

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1 u or 1 amu means

^{12} C

Neutrons are the particles with ___ electrical charge but have a mass of about 1 amu.

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