CBSE 2022 · Region 2 · Set 2 · Q6

A part of modern periodic table is given below. On its basis, answer the following questions: $\displaystyle \frac{1}{2} \times 4=2$

Group No. →	2	2	2	2	2	2	2	2
Period ↓
$\displaystyle 2$		A				B
$\displaystyle 3$	E			D			F	C

(a)

Write the molecular formula of the compound formed by the combination :

(i)

A and F

(ii)

E and B

(b)

Which of the element is a

(i)

Noble gas

(ii)

Metalloid