1.

Choose the correct answer from the options given below:(i) In the periodic table alkali metals are placed in the group ___________(a) 1(b) 11(c) 17(d) 18(ii) Which of the following properties do not match with elements of the halogen family?(a) They have seven electrons in their valence shell.(b) They are highly reactive chemically.(c) They are metallic in nature.(d) They are diatomic in their molecular form.

Answer» Choose the correct answer from the options given below:

(i) In the periodic table alkali metals are placed in the group ___________

(a) 1

(b) 11

(c) 17

(d) 18



(ii) Which of the following properties do not match with elements of the halogen family?

(a) They have seven electrons in their valence shell.

(b) They are highly reactive chemically.

(c) They are metallic in nature.

(d) They are diatomic in their molecular form.


Discussion

No Comment Found