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The energies of orbitals in a multi -e...

The energies of orbitals in a multi -electron atom depend on the quantum number (s) ………

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n and l
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The energies of orbitals in hydrogen -like spectries depend on the quantum number (s) …….

Assertion : In hydrogen and hydrogen like species, orbital energy depends only on the quantum number n whereas in multi-electron atoms it depends on quantum numbers n and l. Reason : The principle quantum number determines the size and the energy of the orbital.

The energy of an electron in an atomic orbital of a multi electron atom depends on

The force acting on the electron in a hydrogen atom depends on the principal quantum number as

In Bohr model of hydrogen atom, the force on the electron depends on the principal quantum number (n) as

The magnitude of energy, the magnitude of linear momentum and orbital radius of an electron in a hydrogen atom corresponding to the quantum number n are E, P and r respectively. Then according to Bohr's theory of hydrogen atom:

STATEMENT-1 : The energy of an electron depends only upon principal quantum number in case of hydrogen and hydrogen like ions. and STATEMENT -2 : The energy of an electron depends on principal quantum number as well as azimuthal quantum number for other atoms.

The magnitude of angular momentum, orbital radius and time period of revolution of an electron in a hydrogen atom corresponding to the quantum number n are L , r and T respectively. Which of the following statement (s) is/are correct?

The cation energy of an electron is largely determined by its principal quantum number. The principal quantum number n is a measure of the most probable distance of finding atomic the electron around the nucleus.

When a particle as an electron exist in a box, three quantum numbers are necessary to describe the spatial distributioni fo electrons in atoms. The describe an electron in an atom completely, a fourth quantum number, m_(s) called the spin quantum number must be specified. This is because every electron has magnetic moment associated with it which is quantized in one of two possible orientations. Electrons having the same spin strongly repel each other and tend to occupy different region of space. This result of a fundamental law of nature is known as Pauli exclusion principle. The orbital angular momentum of an electron in 2s orbital is

CENGAGE CHEMISTRY ENGLISH-ATOMIC STRUCTURE-Exercises Fill In The Balnks
  1. The constant of proorionality which related energy to frequency of ...

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  2. The energies of orbitals in hydrogen -like spectries depend on the...

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  3. The energies of orbitals in a multi -electron atom depend on the qu...

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  4. The degenerate orbitals have ………..value of.........and.......... quan...

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  5. The angular momentum of an electron in an orbital is given as …………

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  6. The z-component of angular momentum of an electron in an atomic o...

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  7. The angular momentum of an electron due to its spin is given as ………..

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  8. The z-component of angular momentum of an electron due to its spin ...

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  9. The shape of an orbital's is govermed by the quantum number known ...

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  10. Which quantum number defines what orientation of orbital in the space ...

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  11. d orbitals are five fold degenerate and are speclled as …………….

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  12. the p ,orbital has zero …………of occurance and are spelled as ……………….

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  13. According to ……………..rule, nitrogen atom has ……………unpaired electrons

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  14. The number of orbitals in a quantum shell is equal to ……………..

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  15. The total allowed values of m for an given value of l are equal to ………...

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  16. The total allowed values of l for an given value of n are equal to ………...

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  17. One atomic mass unit is equivalent to …………. Energy

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  18. The light radiations with discrete quantities of energies are called.....

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  19. Wave functions of electrons in atoms and molecules are called............

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  20. The 2px and 2py, 2pz, orbitals of an atom have identical shapes but di...

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