Question

16.
The position of certain elements in the Modern Periodic Table are shown below.
Group
1
2
13 | 14 | 15 | 16 | 17 | 18
3
to
12
Period
1
A
2
B
3
D
E
1)
ii)
iii)
Using the above table answer the following questions giving reasons in each case:
Which element will form only covalent compounds?
Which element is a non-metal with valency 2?
Which element is a metal with valency 2?​

Answer 1

Answer:

elements d e f forms covalent bond

element of atomic n.o 16 has valancy 2

the metal element of atomic n.o 2 has valancy 2