Question

Which of the following is covalent?
1)H2
2)Ca0
3)Kcl
4)Na2s​

Answer 1

Answer:

Each silicon atom is covalently bonded with four other oxygen atoms. These atoms are in turn bonded to two other silicon atoms and thus forms a covalent network of bonds. The compound is represented by the formula SiO2. So, the correct answer is Option C.