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How much energy must be supplied to hydr...

How much energy must be supplied to hydrogen atom, to free (remove) the electron in the ground state?

Text Solution

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`Delta E = E_(oo) - E_(1) = 0 - (-21.8 xx 10^(-19)J) = 2.18 xx 10^(-19) J`
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The series limit for the Paschen series of hydrogen spectrum occurs at 8205Å . Calculate. a. Ionization energy of hydrogen atom. b. Wavelength of phton that would remove the electron in the ground state of the hydrogen atom.

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Knowledge Check

  • The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ground state hydrogen atom but at rest to produce a photon is given by

    A
    4.20 eV
    B
    20.4 eV
    C
    2.04 eV
    D
    `-9.1 eV`

  • The total energy of an electron in the ground state of hydrogen atom is - 13.6 eV . The potiential energy of an electron in the ground state of Li ^(2+) ion will be

    A
    `122.4 eV`
    B
    `- 122.4 eV`
    C
    `244.8 eV`
    D
    `-244.8 eV`

  • The ionization energy of hydrogen atom in the ground state is

    A
    13.6 MeV
    B
    13.6 eV
    C
    13.6 Joule
    D
    Zero

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    Hydrogen atom: The electronic ground state of hydrogen atom contains one electron in the first orbit. If sufficient energy is provided, this electron can be promoted to higher energy levels. The electronic energy of a hydrogen-like species (any atom//ions with nuclear charge Z and one electron) can be given as E_(n)=-(R_(H)Z^(2))/(n^(2)) where R_(H)= "Rydberg constant," n= "principal quantum number" Calculate the following : (a) the kinetic energy (in eV) of an electron in the ground state of hydrogen atom. (b) the potential energy (in eV) of an electron in the ground state of hydrogen atom.

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    Energy of an electron in the nth orbit of hydrogen atom is given by E,- ev. How much energy is required to take an electron from the ground state to the first excited state?

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    How much energy must be transferred to the electron if it is to make a quantum jump from its ground state to its second excited state?

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