Which of the following describes the shape of the orbital?

• principal quantum number

• azimuthal quantum number

• magnetic quantum number

• spin quantum number

Which quantum number describes the behavior of a specific electron and completes the description of electrons in atoms?

• n

• l

• $m_l$

• $m_s$

Which quantum number describes the orientation of the orbitals in space?

• n

• l

• $m_l$

• $m_s$

How many orientations in the f-orbital?

• 7

• 5

• 3

• 1

3d orbital has higher energy compared to 3s and 3p.

• True

• False

Which of the following shows how the electrons are distributed among the various orbitals?

• Quantum numbers

• Aufbau Principle

• Electron Configuration

• Hund's Rule of Multiplicity

It states that the most stable arrangement of electrons in subshells is the one with the greatest number of parallel spins.

• Aufbau Principle

• Hund's Rule of Multiplicity

• Pauli's Exclusion Principle

• Heisenberg Uncertainty Principle

It states that no two electrons in an atom can have the same set of four quantum numbers.

• Aufbau Principle

• Heisenberg Uncertainty Principle

• Hund's Rule of Multiplicity

• Pauli's Exclusion Principle

p-orbital can accommodate a maximum of 6 electrons

• True

• False

Which set of quantum numbers is incorrect?

• $1,1,0+\frac{1}{2}$

• $2,0,0,-\frac{1}{2}$

• $3,2,-1,\ -\frac{1}{2}$

• $4,\ 3,\ 2,+\frac{1}{2}$