JAMB Chemistry 2013 Objective — Question 11

Question 11 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2013 Objective paper, with the correct answer and a full explanation.

The bond formed between two elements with electron configurations 1s²2s²2p⁶3s¹ and 1s²2s²2p⁵ is

A. dative
B. ionicCorrect
C. metallic
D. covalent

Explanation

The element with configuration 1s²2s²2p⁶3s¹ will lose an electron to the one with 1s²2s²2p⁵; each then attains 1s²2s²2p⁶. This is ionic bonding.

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