Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 72

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In the hydrogen atom, the energy of the first excited state is $- 3.4 eV$ . Then, the kinetic energy of electron in the same orbit of a hydrogen atom is

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Important Questions on Structure of Atom

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 73

The potential energy of an electron is

- 27.2 eV

in the second orbit of

{He}^{+}

. Then, the total energy of the electron in the first excited state of hydrogen atom will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 74

If the potential energy of an electron in the hydrogen atom is

- 3.02 eV

, then, in which of the following excitation level is the electron present?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 75

The ionisation energy of a

H

-atom is

13.6 eV

. The energy required to excite the electron from its ground state to the next higher state will be: (in

eV

)

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 76

The energy of an electron in an excited

H

-atom is

- 1.51 eV .

Angular momentum of the electron in the given orbit will be:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 77

The ionisation energy of

H

atom is

13.6 e V .

The ionisation energy of

{Li}^{2 +}

ion will be

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 78

If the binding energy of

3^{rd}

orbit of a

H

-like species is

13.6 eV,

then the species must be:

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 79

In which excited state can a hydrogen atom sample already in the ground state can reach, when it is bombarded with photons of energy

12.75 eV

?

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Alpha Question Bank for Medical: Chemistry>Chapter 2 - Structure of Atom>Exercise 1>Q 80

If the binding energy of first excited state of a hydrogen like sample is

54.4 eV,

then determine the atomic number,

Z

of the

H

-like species.