Neco 2022 Chemistry Question 36

Practice objective / multiple choice question 36 from the 2022 Neco Chemistry examination.

Neco 2022 Chemistry Objective / Multiple Choice Easy Difficulty
Question 36 NECO • 2022 • CHEMISTRY • objective

An element has an atomic number of \(Z = 20\). Using its position in the periodic table, determine its chemical symbol, the period and group numbers, and state the number of electrons in its outermost shell.

Answer Options

A. Symbol: Ti; Period: 4; Group: 4; Valence electrons: 4
Correct Answer B. Symbol: Ca; Period: 4; Group: 2; Valence electrons: 2
C. Symbol: K; Period: 4; Group: 1; Valence electrons: 1
D. Symbol: Sc; Period: 4; Group: 3; Valence electrons: 3
Correct Answer
B
Correct Option:
Symbol: Ca; Period: 4; Group: 2; Valence electrons: 2

About This Question

This is Neco 2022 Chemistry Question 36. It is one of the objective questions from the 2022 Neco Chemistry examination.

Difficulty level: Easy .

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