Electronic Configuration Concepts

The video tutorial covers the electronic configuration of elements up to Xenon, focusing on S, P, and D blocks. It explains patterns in configurations, exceptions, and the use of box diagrams. The tutorial also includes a quiz and discusses the use of noble gas shorthand for simplifying configurations.

What is the final term in the electronic configuration for sodium?

• 3 P1

• 4 S1

• 3 S1

• 2 P1

Which element has the final term 5 P5 in its electronic configuration?

• Argon

• Iodine

• Xenon

• Bromine

What is the final term in the electronic configuration for phosphorus?

• 3 P3

• 3 S2

• 4 S1

• 2 P2

Which element ends with the electronic configuration 2 P2?

• Carbon

• Nitrogen

• Oxygen

• Fluorine

According to Hund's Rule, how do electrons fill orbitals of the same energy?

• They skip every other orbital

• They fill in reverse order

• They fill singly first

• They pair up immediately

What is the electronic configuration shorthand for Scandium?

• [Ne] 3s2 3p6 3d1

• [Ar] 4s2 3d1

• [Kr] 5s2 4d1

• [Xe] 6s2 5d1

Which element has an exception in its electronic configuration due to stability of half-full orbitals?

• Calcium

• Zinc

• Chromium

• Argon

What is the correct electronic configuration for Copper?

• 4s1 3d9

• 4s2 3d10

• 4s1 3d10

• 4s2 3d9

What is the maximum number of electrons that can occupy a D orbital?

• 8

• 12

• 6

• 10

What is the principle that states electrons must occupy the lowest energy orbitals first?

• Hund's Rule

• Pauli's Exclusion Principle

• Bohr's Model

• Aufbau Principle