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What does the negative electronic energy...

What does the negative electronic energy (negative sign for all values of energy) for hydrogen atom means?

A

The energy of an electron in the atom is lower than the energy of a free electron at rest which is taken as zero.

B

When the electron is free from the influence of nucleus it has a negative value which becomes more negative.

C

When the electron is attracted by the nucleus the energy is absorbed which means a negative value.

D

Energy is released by hydrogen atom in ground state.

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The correct Answer is:
A
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What does the negative electronic energy for hydrogen atom mean?

Electronic energy is a negative energy because

Knowledge Check

  • Negative electron gain energy for hydrogen atom means that

    A
    the energy of an electron in an atom is lower than the energy of free electron at rest which is taken as zero.
    B
    when the electron is free from the influence of nucleus, it has a negative value which becomes more negative.
    C
    when the electron is attracted by the nucleus , the energy is absorbed which means a negative value.
    D
    energy is released by hydrogen atom in the ground state .

  • What does negative sign in the electronic energy forhydrogen atom convey.

    A
    Energy of electron when `n=oo`
    B
    The energy of electron in the atom is lower than the energy of a free electron in motion
    C
    The energy of electron in the atom is lower than the energy of a free electron of rest
    D
    The energy of electron decreases as it moves away from nucleus

  • The energy of the electron in a hydrogen atom has a negative sign for hydrogen atom because

    A
    the energy of the electron in the atom is lower than the energy of a free electron at rest
    B
    a free electron at rest is an electron that is infinitely far away from the nucleus
    C
    the energy value assigned to free electron at rest is zero
    D
    (1),(2) and (3) together forms the valid reason for the given fact

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