How many electrons in an atom can have n = 3 and l = 2?
For l=2 (d), orbitals = 5. Electrons = 10.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Shapes of Orbitals - s p d f and Nodes and Radial Probability
#atomic orbitals
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Which orbital is represented by the quantum numbers n = 3, l = 1?
n=3, l=1 corresponds to 3p orbital.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Shapes of Orbitals - s p d f and Nodes and Radial Probability
What is the maximum number of orbitals in the n = 2 energy level?
Number of orbitals = n² = 4.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Shapes of Orbitals - s p d f and Nodes and Radial Probability
How many orbitals are present in the n = 3 energy level of an atom?
Number of orbitals = n² = 9 (3s:1, 3p:3, 3d:5).
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Shapes of Orbitals - s p d f and Nodes and Radial Probability
How many electrons in an atom can have the quantum numbers n = 3 and mₛ = +1/2?
For n=3, 9 orbitals × 1 (half with +1/2) = 9.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin
What is the maximum number of electrons that can occupy the subshell with principal quantum number n = 2 and azimuthal q
For l=1 (p), orbitals = 3. Electrons = 6.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin
How many orbitals in an atom can have the quantum numbers n = 4 and l = 3?
For l=3 (f), orbitals = 2l+1 = 7.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Numbers - Principal Azimuthal Magnetic Spin
An electron in a multi-electron atom has quantum numbers n = 4, l = 2. How many possible values of mₗ can it have?
For l=2, mₗ = -2 to +2. Total = 5.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Mechanical Model - de Broglie Heisenberg and Schrodinger
How many orbitals in an atom can have the quantum numbers n = 5 and l = 3?
For l=3 (f), orbitals = 2l+1 = 7.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Mechanical Model - de Broglie Heisenberg and Schrodinger
How many electrons in an atom can have the quantum numbers n = 5 and l = 2?
For l=2 (d subshell), orbitals = 5. Electrons = 5×2 = 10.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Mechanical Model - de Broglie Heisenberg and Schrodinger
How many electrons in an atom can have the quantum numbers n = 6 and l = 4?
For l=4 (g subshell), orbitals = 2l+1 = 9. Electrons = 9×2 = 18.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Quantum Mechanical Model - de Broglie Heisenberg and Schrodinger
How many possible values of mₗ are there for an electron with n = 5 and l = 4?
For l=4, mₗ = -4 to +4. Total = 2l+1 = 9.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Atomic Models - Thomson Rutherford and Bohr Model