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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता ११ वी

Choose the correct option. “No two electrons in the same atoms can have identical set of four quantum numbers”. This statement is known as -

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प्रश्न

Choose the correct option.

“No two electrons in the same atoms can have identical set of four quantum numbers”. This statement is known as -

पर्याय

  • Pauli’s exclusion principle

  • Hund’s rule

  • Aufbau rule

  • Heisenberg uncertainty principle

MCQ
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उत्तर

“No two electrons in the same atoms can have identical set of four quantum numbers”. This statement is known as - Pauli’s exclusion principle

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पाठ 4: Structure of Atom - Exercises [पृष्ठ ५३]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
पाठ 4 Structure of Atom
Exercises | Q 1. (D) | पृष्ठ ५३

संबंधित प्रश्‍न

Using s, p, d notations, describe the orbital with the following quantum numbers n = 1, l = 0.


Give the names of quantum numbers.


Define the term Electronic configuration.


Write orbital notations for the electron in orbitals with the following quantum numbers.

n = 4, l = 2


Write orbital notations for the electron in orbitals with the following quantum numbers.

n = 3, l = 2


Write condensed orbital notation of electronic configuration of the following element:

Lithium (Z = 3)


Write condensed orbital notation of electronic configuration of the following element:

Oxygen (Z = 8)


If n = 3, what are the quantum number l and m?


Write a note on ‘Principal Quantum number.


The principal quantum number (n) and magnetic quantum number (ml) for the valence electrons of rubidium atom (Z = 37) are ____________ respectively.


Which mineral among the following contains vanadium in it?


Which one of the following orders is CORRECT in case of energy of the given subshells?

P: n = 4; l = 3

Q: n = 5; I = 1

R: n = 5; l = 0

S: n = 4; l = 2


How many electrons in 19K have n = 3, l = 1?


Which of the following has a greater number of electrons than neutrons?

(Mass number of Mg, C, O and Na is 24, 12, 16 and 23 respectively).


Which of the following options does not represent ground state electronic configuration of an atom?


The number of radial nodes for 3p orbital is ______.


Total number of orbitals associated with third shell will be ______.


Nickel atom can lose two electrons to form \[\ce{Ni^{2+}}\] ion. The atomic number of nickel is 28. From which orbital will nickel lose two electrons.


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, arrange the following orbitals in the increasing order of energy.

1s, 2s, 3s, 2p


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, solve the questions given below:

Which of the following orbitals has the lowest energy?

4d, 4f, 5s, 5p


The arrangement of orbitals on the basis of energy is based upon their (n + l) value. Lower the value of (n + l), lower is the energy. For orbitals having same values of (n + l), the orbital with lower value of n will have lower energy.

Based upon the above information, solve the questions given below:

Which of the following orbitals has the lowest energy?

5p, 5d, 5f, 6s, 6p


Which of the following is the correct plot for the probability density ψ2 (r) as a function of distance 'r' of the electron from the nucleus for 2s orbitals?


Which of the following is not the permissible arrangement of electrons in an atom?


In assigning R - S configuration, which among the following groups has highest priority?


Which of the following element do not follow Aufbau principle?


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