Understanding Electronic Configuration

This video tutorial provides a comprehensive guide to electronic configuration, explaining how to place electrons in subshells and orbitals. It covers key concepts such as subshells, orbitals, principal quantum numbers, and shells. The tutorial introduces the Offo principle for filling subshells and Hund's Rule along with the Pauli Exclusion Principle for filling orbitals. Common student mistakes are addressed, and solutions are provided to ensure a clear understanding of electronic configuration.

What is the maximum number of electrons that the 'p' subshell can accommodate?

• 2

• 6

• 10

• 14

How many electrons can the 'f' subshell hold?

• 14

• 2

• 6

• 10

How many degenerate orbitals does the 'd' subshell have?

• 7

• 3

• 5

• 1

How many orbitals are there in the 'p' subshell?

• 5

• 3

• 1

• 7

Which principal quantum number corresponds to the 'M' shell?

• 4

• 3

• 2

• 1

What is the principal quantum number for the 'K' shell?

• 1

• 2

• 3

• 4

What is the order of filling subshells according to the Aufbau principle?

• Higher energy first

• Lower energy first

• Equal energy first

• Random order

What is the correct order of subshells from lower to higher energy?

• s, p, d, f

• f, d, p, s

• p, s, d, f

• d, f, s, p

According to Hund's Rule, how should electrons be placed in orbitals?

• All with opposite spins

• Randomly filled

• Singly filled first

• Doubly filled first

What does the Pauli Exclusion Principle state about electron spins in an orbital?

• Random spin

• No spin

• Same spin

• Opposite spin