CBSE Class 10CBSE
Share
Notifications

View all notifications

The Atomic Numbers of Four Elements P, Q, R and S Are 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) R and S - CBSE Class 10 - Science

Login
Create free account


      Forgot password?

Question

The atomic numbers of four elements P, Q, R and S are 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) R and S

Solution

(c) P and S

Element P needs 4 electrons to complete its octet. They can be shared with element S, which needs only 1 electron to complete its octet.

  Is there an error in this question or solution?

APPEARS IN

Solution The Atomic Numbers of Four Elements P, Q, R and S Are 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) R and S Concept: Metals and Nonmetals - Formation and Properties of Covalent Compounds.
S
View in app×