Question

atoms of which pair of elements will form covalent bonds in a compound?
a. c and o
b. li and al
c. na and f
d. co and fe

Explanation:

• Covalent bonds form between non - metals. Carbon (C) and oxygen (O) are both non - metals.
• Lithium (Li) and aluminium (Al) are metals.
• Sodium (Na) is a metal and fluorine (F) is a non - metal, they form an ionic bond.
• Cobalt (Co) and iron (Fe) are metals.

Answer:

A. C and O