CHEM Unit 4 Review: Electrons

This orbital diagram represents which element? Enter the symbol.

Which rule is being broken this orbital diagram?

• Aufbau Principle

• Pauli Exclusion Principle

• Hund's Rule

• The diagram is correct.

Enter the symbol for the element shown in this diagram.

Enter the symbol for the element shown in this diagram.

How many electrons can the d sublevel hold?

• 14
• 10
• 2
• 6

How many electrons can the s sublevel hold?

• 14
• 10
• 2
• 6

What is the correct configuration for lead?

• [Rn] 6s2 5d10 4f14 6p2

• [Xe] 6s2 6d10 6p2

• [Xe] 6s2 5d10 6p2

• [Xe] 6s2 4f14 5d10 6p2

Which orbital shows a violation of the Pauli Exclusion Principle?

• A
• B
• C
• D

Which orbital shows a violation of the Aufbau Principle?

• A
• B
• C
• D

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle