JAMB Chemistry 2012 Objective — Question 8

Question 8 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2012 Objective paper, with the correct answer and a full explanation.

If the elements X and Y have atomic numbers 11 and 17 respectively, what type of bond can they form?

A. Dative
B. Covalent
C. IonicCorrect
D. Metallic

Explanation

X (atomic number 11) is sodium, with electron configuration 2,8,1 — it readily loses one electron. Y (atomic number 17) is chlorine, with configuration 2,8,7 — it readily gains one electron. This electron transfer forms an ionic bond.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Chemistry 2012 Objective More Chemistry past papers