Question

Multiple Choice Questions
Valency of the elements in the halogen group is ...
b. two c. three d. four
a. one
2. The most reactive element in the halogen group is
a. Astetine b. Iodine c. Chlorine d. Fluorine
3. The halogen which is liquid at room temperature is ...
a. Fluorine b. Astetine c. Bromine d. Iodine
the metallic character of elements ....................... in a group from top to bottom.
a. increases b. decreases c. remains constant d. shows indefinite behaviour.
5. Valency of elements ... ........ in a period from left to right.
a. Increases
b. decreases
d. increases in the beginning and then decreases.
C. remains constant
. Exorcisa​

Answer 1

1) one

2)fluorine

3)bromine

4)decreases

5)increases in the beginning and then decreases.

hope it helps!