Maximum number of electrons in a sub shell with l = 3 and n = 4 is

1. 14

2. 16

3. 10

4. 12

Subtopic: Quantum Numbers & Schrodinger Wave Equation |

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The correct set of four quantum numbers for the valence electron of a rubidium atom (Z =37) is

1. $5, 1, 1, + \frac{1}{2}$

2. $6, 0, 0, + \frac{1}{2}$

3. $5, 0, 0, + \frac{1}{2}$

4. $5, 1, 0, + \frac{1}{2}$

Subtopic: Quantum Numbers & Schrodinger Wave Equation |

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The total number of atomic orbitals in fourth energy level of an atom is

1. 16
2. 32
3. 4
4. 8

Subtopic: Bohr's Theory |

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The energies E₁ and E₂ of two radiations are 25 eV and 50 eV respectively. The relation between their wavelenghs i.e., $λ_{1}$ and $λ_{2}$ will be

1. $λ_{1} = 2 λ_{2}$

2. $λ_{1} = 4 λ_{2}$

3. $λ_{1} = \frac{1}{2} λ_{2}$

4. $λ_{1} = λ_{2}$

Subtopic: Bohr's Theory |

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If n = 6, the correct sequence for the filling of electrons will be

1. $ns \overset{}{\to} (n - 1) d \overset{}{\to} (n - 2) f \overset{}{\to} np$

2. $ns - (n - 2) f \overset{}{\to} np \overset{}{\to} (n - 1) d$

3. $ns - np \overset{}{\to} (n - 1) d \overset{}{\to} (n - 2) f$

4. $ns \overset{}{\to} (n - 2) f \overset{}{\to} (n - 1) d \overset{}{\to} np$

Subtopic: AUFBAU Principle |

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The rule used to determine the maximum number of electrons in a subshell of an atom is

1. 4l+2

2. 2l+1

3. 4l-2

4. 2n²

Subtopic: Shell & Subshell |

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The incorrect set of quantum numbers among the following is
1. n= 4, l= 0, m= 0, s= -1/2
2. n= 5, l= 3, m= 0, s= +1/2
3. n= 3, l= 2, m= -3, s= -1/2
4. n= 3, l= 2, m= 2, s= -1/2

Subtopic: Quantum Numbers & Schrodinger Wave Equation |

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If uncertainty in position and momentum are equal, then uncertainty in velocity is:

1. $\frac{1}{2 m} \sqrt{\frac{h}{π}}$

2. $\sqrt{\frac{h}{2 π}}$

3. $\frac{1}{m} \sqrt{\frac{h}{π}}$

4. $\sqrt{\frac{h}{π}}$

Subtopic: Heisenberg Uncertainty Principle |

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The measurement of the electron position is associated with uncertainty in momentum, which is equal to 1 x 10^-18 g cm s^-1. The uncertainty in electron velocity will be (mass of an electron is 9 x 10^-28 g)-

1. 2 x 10⁹ cm s^-1
2. 1 x 10⁹ cm s^-1
3. 1 x 10⁵ cms^-1
4. 1 x 10¹¹ cm s^-1

Subtopic: Heisenberg Uncertainty Principle |

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Consider the following sets of quantum numbers :

Which of the following sets of quantum number is not possible?

1. ii, iii and iv
2. i, ii, iii and iv
3. ii, iv and v
4. i and iii

Subtopic: Quantum Numbers & Schrodinger Wave Equation |

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Select Chapter Topics:

Introduction of Atomic Structure

Number of Electron, Proton & Neutron

Electromagnetic Radiation

Planck's Theory

Photo Electric Effect

Type of Spectra

Hydrogen Spectra

Bohr's Theory

Heisenberg Uncertainty Principle

De Broglie Equation

Quantum Numbers & Schrodinger Wave Equation

Shell & Subshell

Nodal Plane

AUFBAU Principle

Pauli's Exclusion Principle & Hund's Rule

Maximum number of electrons in a sub shell with l = 3 and n = 4 is

1. 14

2. 16

3. 10

4. 12

Select Chapter Topics:

Introduction of Atomic Structure

Number of Electron, Proton & Neutron

Electromagnetic Radiation

Planck's Theory

Photo Electric Effect

Type of Spectra

Hydrogen Spectra

Bohr's Theory

Heisenberg Uncertainty Principle

De Broglie Equation

Quantum Numbers & Schrodinger Wave Equation

Shell & Subshell

Nodal Plane

AUFBAU Principle

Pauli's Exclusion Principle & Hund's Rule

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Select Chapter Topics:

Introduction of Atomic Structure

Number of Electron, Proton & Neutron

Electromagnetic Radiation

Planck's Theory

Photo Electric Effect

Type of Spectra

Hydrogen Spectra

Bohr's Theory

Heisenberg Uncertainty Principle

De Broglie Equation

Quantum Numbers & Schrodinger Wave Equation

Shell & Subshell

Nodal Plane

AUFBAU Principle

Pauli's Exclusion Principle & Hund's Rule

Maximum number of electrons in a sub shell with l = 3 and n = 4 is 1. 14 2. 16 3. 10 4. 12

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Select Chapter Topics:

Introduction of Atomic Structure

Number of Electron, Proton & Neutron

Electromagnetic Radiation

Planck's Theory

Photo Electric Effect

Type of Spectra

Hydrogen Spectra

Bohr's Theory

Heisenberg Uncertainty Principle

De Broglie Equation

Quantum Numbers & Schrodinger Wave Equation

Shell & Subshell

Nodal Plane

AUFBAU Principle

Pauli's Exclusion Principle & Hund's Rule

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Maximum number of electrons in a sub shell with l = 3 and n = 4 is

1. 14

2. 16

3. 10

4. 12