Chemical bonding - Jamb Chemistry Past Questions and Answers

Question 16:

• JAMB 2002

Which of the following chloride would exhibit the least ionic character?

A. MgCl₂
B. CaCl₂
C. LiCl
D. AlCl₃

Question 17:

• JAMB 2003

The weakest attractive force that can be observed between two molecules is

A. Ionic
B. Covalent
C. Coordinate covalent
D. Van der Waals

Question 18:

• JAMB 2005

An element wil readily form an electrovalent compound if it electron configuration is

A. 2, 8, 1
B. 2, 8, 4
C. 2, 8, 8
D. 2, 8, 5

Question 19:

• JAMB 2005

When pure aluminium metal is heated to red hot in the presence of nitrogen gas, the compound formed is

A. Al₂N
B. Al₂N₂
C. AlN
D. Al₂N₃

Question 20:

• JAMB 2007

A metal X forms two bromides with the formulae XBr₂ and XBr₃. What type of bonding exists between X and bromine in the bromide?

A. Ionic bonding
B. Metallic bonding
C. Dative bonding
D. Covalent bonding