Question Detail

CHM 101 Quantum Theory and Atomic Structure Objective Question
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Question

What are the lanthanides and actinides collectively called?
Options
A Representative elements
B Main group elements
C Inner transition elements
Correct Answer
D Noble gases
Correct Answer

Option C is the correct answer.

Detailed Explanation

The lanthanides (elements 58Ce through 71Lu) and actinides (elements 90Th through 103Lr) are collectively called the inner transition elements or f-transition elements. They belong to the f-block of the periodic table.

Hint

These two series are located below the main periodic table and involve filling of f orbitals.

Question Info

Course: CHM 101
Topic: Quantum Theory and Atomic Structure
Type: Objective
Difficulty: Not specified
Question 1546 of 1872
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