STANDARDChemistry-Periodic Table
STANDARD Chemistry Isoelectronic Species MCQ Question
Type: MCQ-conceptual-Easy
Which of the following are isoelectronic species?
A
Ca²⁺, K⁺ and Zn²⁺
B
Mn²⁺, Fe²⁺ and Ni²⁺
C
Na⁺, Al³⁺ and Ne
D
Sc, Co²⁺ and Cu²⁺
Correct Answer
Option C
Detailed Explanation
Na⁺, Al³⁺ and Ne all have same number of electrons.
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