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Question

The atomic radius of hydrogen atom is:

A
25 pm
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B
30 pm
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C
53 pm
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D
43 pm
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Solution

The correct option is C 53 pm
Atomic radius is the measure of the distance between the center of the nucleus to the boundary of the electrons surrounded by it. The Hydrogen atom has an atomic number 1 and a standard atomic weight of 1.008. Its atomic radius is measured to be 53 pm where pm stands for picometer measurement.

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