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Describe Bohr's model of the atom....

Describe Bohr's model of the atom.

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(a) Describe Bohr's model of the atom. How did Neils Bohr explain the stability of atom ? (b) An element has an atomic number of 11 its mass number is 23. What is the arrangement of electrons in the shells ? State nuclear composition of an atom of the element.

Describe Bohr model of the atom.

Knowledge Check

  • Bohrs model of hydrogen atom.

    A
    the radius of nth orbit is proportional to `n^(2)`
    B
    the total energy of electron in nth orbit is proportional to `n`
    C
    the amgular momentum of the electron in an orbit is an integral multiple of `h//2 pi`
    D
    the magnitude of the potential energy of an electron in any orbit is greater than its kinetic energy

  • Which one is not in agreement with Bohr's model of the atom?

    A
    Line spectra of hydrogen atom
    B
    Pauli's exclusion principle
    C
    Planck's theory
    D
    Heisenberg's uncertainty principle

  • Which of the following postulates does not belong to Bohr's model of the atom?

    A
    Angular momentum of electron is an integral multiple of `(h)/(2pi)`
    B
    The electron stationed in the orbit is stable
    C
    The path of an electron is circular
    D
    Mass of electron increases with increases velocity

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