Question Detail

CHM 102 Group II Objective Question
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Question

Which of the following statements BEST explains why the melting points of Group II metals do not vary regularly?
Options
A They have varying numbers of valence electrons.
B The metals adopt different crystal structures.
Correct Answer
C Their ionization energies fluctuate unpredictably.
D The atomic mass of the elements increases irregularly.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The document states, 'The melting points do not vary regularly mainly because the metals adopt different crystal structures.' This directly answers why the trend is irregular.

Hint

Refer to the note below the Group II elements table regarding melting points.

Question Info

Course: CHM 102
Topic: Group II
Type: Objective
Difficulty: Not specified
Question 1956 of 1999
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