Waec Model Questions Vol1 2018 Chemistry Question 10

Practice objective / multiple choice question 10 from the 2018 Waec Model Questions Vol1 Chemistry examination.

Waec Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Easy Difficulty
Question 10 WAEC_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

Write the ground‑state electron configuration of the element zirconium (Z = 40). State the block of the periodic table to which it belongs and its most common oxidation state in compounds.

Answer Options

A. [Kr]4d¹5s²; d-block; +2
B. [Kr]4d³5s¹; d-block; +4
C. [Kr]4d²5s²; s-block; +4
Correct Answer D. [Kr]4d²5s²; d-block; +4
Correct Answer
D
Correct Option:
[Kr]4d²5s²; d-block; +4

About This Question

This is Waec Model Questions Vol1 2018 Chemistry Question 10. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Chemistry examination.

Difficulty level: Easy .

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