Question

The following table shows the positions of the six elements A, B, C, D, E and F in the modern periodic table :

Group/Period

2

3

1

A

2

3 to 12

13

14

15

B

16

17

C

F

18

D

E

18. (i) Which element among them is a Halogen? Give its valency.

18. (ii) Write the chemical name of the compound formed between 'A' and 'F'

18. (iii) Out of B and E, which one has a bigger atomic radius? Give reason for your answers.

18. (iv) Write the dot structure for the compound formed by the combination

and 'F'

18. (v) How does the atomic size vary from A to C?

of 'D'

G

​

Answer 1

Answer:

modern periodic table :

Group/Period

2

3

1

A

2

3 to 12

13

14

15