Chemical bonding - Jamb Chemistry Past Questions and Answers

Question 11:

• JAMB 1994

Which of the following physical properties decreases down a group in the periodic table?

A. Atomic radius
B. Ionic radius
C. Electropositivity
D. Electronegativity

Question 12:

• JAMB 1994

Element X, Y and Z belong to a groups I, V and VII respectively. Which of the following is TRUE about the bond types of XZ and YZ₃?

A. Both are electrovalent
B. Both are covalent
C. XZ is electrovalent and YZ₃ is covalent
D. XZ is covalent and YZ₃ is electrovalent

Question 13:

• JAMB 1998

The diagram above represents an atom that can combine with chlorine to form

A. A covalent bond
B. An electrovalent bond
C. A hydrogen bond
D. A co-ordinate bond

Question 14:

• JAMB 1999

Use the table above to answer this question . The element that is likely to participate in covalent rather than ionic bonding is

A. Z
B. Y
C. X
D. W

Question 15:

• JAMB 2001

The diagram above represents the formation of

A. A metallic bond
B. An electrovalent bond
C. A covalent bond
D. A coordinate covalent bond