Pauli's Exclusion Principle: The rule of electrons

The video explains Pauli's exclusion principle, stating that no two electrons in an atom can have identical quantum numbers. Using the hydrogen atom as an example, it describes the quantum numbers of electrons and how their arrangement affects orbital stability. The video also covers the maximum number of electrons that can occupy different orbitals, emphasizing the importance of opposite spins for stability.

What does Pauli's exclusion principle state about electrons in an atom?

• They must have different sets of three quantum numbers.

• They must have different sets of four quantum numbers.

• They can have the same set of four quantum numbers.

• They can have the same set of three quantum numbers.

In the context of the 1s orbital, what happens if two electrons have identical quantum numbers?

• The orbital becomes more stable.

• The orbital becomes highly unstable.

• The electrons merge into one.

• The electrons are expelled from the atom.

How do electrons in the same orbital maintain stability according to Pauli's exclusion principle?

• By having the same spin.

• By having the same energy level.

• By having opposite spins.

• By occupying different orbitals.

What is the maximum number of electrons that an s orbital can hold?

• 4

• 1

• 2

• 3

How many orbitals are present in a p subshell?

• 4

• 3

• 2

• 1

What is the maximum number of electrons that a d orbital can accommodate?

• 10

• 6

• 12

• 8

How many electrons can an f orbital hold at maximum capacity?

• 12

• 10

• 16

• 14