Question

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
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Answer 1

Answer:

1. a. one

2. d. fluorine

Answer 2

Answer:

1. a one n 2. d fluorine

Explanation:

1. Valency of the elements in the halogen group is one

2. The most reactive element in the halogen group is fluorine