Question

4. The atomic numbers of four elements P, Q, R and Sare 6, 10, 12 and 17 respectively.
Which two elements can combine to form a covalent compound?
a. P and R
b. Q and S
C. P and S
d. Rands​

Answer 1

Answer:

P AND R

Explanation:

becuase they contain 6 electrons they can form a covalent bond by sharing electrons