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Electronic energy is negative because:...

Electronic energy is negative because:

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Knowledge Check

  • 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 atteracted by the nucleus the energy is obsorbed which means a negative value.
    D
    Energy is released by hydrogen atom in ground state.

  • Assertion : 1. In the presence of an electric field, the canal rays are deflected towards the negative electrode. Reason : Canal rays are composed of electrons which are negatively charged.

    A
    If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
    B
    If both Assertion and Reason are correct and Reason is not the correct explanation of Assertion.
    C
    If Assertion is correct but Reason is incorrect.
    D
    If Assertion is incorrect but Reason is correct.

    • Similar Questions

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    Figure shows the field lines of a point negative charge. In going from B to A, the kinetic energy of a small negative charge will

    The electron gain enthalpy with negative sign for oxygen (-141 Kj mol^(-1)) is less than of sulphur (-200 kJ mol^(-1) Or The value of electron gain enthaply with negative sign for sulphur is higher than that of oxygen.

    Total energy of an electron in an atom is negative . What does it signify ?

    STATEMENT-1 : The energy is increased because the amplitude is increased . and STATEMENT-2 : The amplitude is increased because energy is increased.

    The energy of an electron in Bohr's orbit of hydrogen atom is -13.6eV . The total electronic energy of a hypothetical He atom in which there are no electron - electron repulsions or interactions is

    A : Energy of electron is taken negative R: energy of electron at infinity is zero

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