Question

i.
Which of these is
a) a noble gas
b) a halogen
c) an alkali metal
d) an element with valency 4
ii. If A combines with F, what would be the formula of the resulting compound?
What is the electronic configuration of G?
iv.
What are the name of the elements B and G?​

Answer 1

Answer:

2nd BBC 2nd HD HD HD HD LG it if if Hf HD HD

Answer 2

Answer:

a)H (atomic no 10) P(18)

b) G and O

c) A and I

d) D and L

2) F2O

electronic configuration of G- 2,7

4) B- berylium g- fluorine