Question

Which combination forms a covalent bond?
A. Two carbon atoms
B. Two oxygen molecules
C. Two water molecules
D. Two sodium atoms
SUSMIT
!!!

Answer 1

Answer:

A. Two carbon atoms

Explanation:

We know that covalent bond occurs when there are two non - metallic atoms and carbon atoms are non-metallic so it is the answer.

Hope it helps and pls mark as brainliest :)