| Element |
Position in periodic table |
| Period |
Group |
A
B
C
D |
3
7
2
5 |
2
10
16
13 |
I. the atomic number of B is
(A) 104
(B) 108
(C) 110
(D) 105
II. the type and nature of compound form between A & C is
(A) Sulphide and basic
(B) Oxide and amphoteric
(C) Sulphide and neutral
(D) Oxide and basic
(III) Element D is
(A) Metal
(B) Metalloid
(C) Non–metal
(D) Liquid
(a) 1-B, 2-C, 3-A
(b) 1-D, 2-A, 3-C
(c) 1-C, 2-D, 3-B
(d) 1-A, 2-D, 3-A
