Question

Multiple Choice Questions
1. Valency of the elements in the halogen group is ...........
a. one
b. two c. three d. four
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
4. 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
c. remains constant
d. increases in the beginning and then decreases.
: Exercise :
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Answer 1

Answer:

1a

2d

3c

4a

5a

Explanation:

hope it helps dude!!

Answer 2

Explanation:

1) Valency of Halogen group is one.

2) The most reactive element in Halogen is Flourine.

3) The Halogen which is liquid at Room Temperature is Bromine.

4) The metallic character of element increases from Top to Bottom.

5) Valency of an element in period first increases then decreases.