The atomic number 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

Open in App

Solution

Answer :
(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.

Suggest Corrections

Similar questions

Q. 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

Q. The atomic numbers of four elements P, Q, R, and S are 6, 10, 12, and 17 respectively. Which two elements can combine together to form a covalent bond?

[1 mark]

There are four elements P, Q, R and S having atomic numbers of 4, 18, 10 and 16 respectively. The element which can exhibit covalency as well as electrovalency will be :

(a) P

(b) Q

(d) S

The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is :

(a) P (b) Q (c) R (d) S

Q. The atomic numbers of four elements

P, Q, R a n d S

are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:

Join BYJU'S Learning Program

The atomic number 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

Answer : (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.

The atomic number 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

Answer :
(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.