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The mass of a neutral carbon atom in gro...

The mass of a neutral carbon atom in ground state is

A

exact `12 u`

B

less than 12 u

C

more than `12 u`

D

depends on the form of carbon such as graphite or charcoal.

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The radius of hydrogen atom, in the ground state is of the order of

    A
    `10^(-18)` cm
    B
    `10^(-7)` cm
    C
    `10^(-6)` cm
    D
    `10^(-4)` cm

  • The radius of hydrogen atom in it's ground state is 4 × 10^-13 m . After collision with an electron, it is found to have a radius of 64 × 10^-13 m . What is the principal quantum number n of the final state of the atom ?

    A
    `n=4`
    B
    `n=2`
    C
    `n=16`
    D
    `n=3`

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