CHEM Unit 4 Review: Electrons

This orbital diagram represents which element? Enter the symbol.

(a)  

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.

(a)  

Enter the symbol for the element shown in this diagram.

(a)  

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