The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here are not the chemical symbols of the elements):
a
3 |
b
4 |
|
c
5 |
d
6 |
e
7 |
f
8 |
g
9 |
h
10 |
i
11 |
j
12 |
|
k
13 |
l
14 |
m
15 |
n
16 |
o
17 |
p
18 |
(i) Which element has a bigger atom, a or ƒ ?
(ii)Which element has a higher valency, k or o?
(iii) Which element is more metallic, i or k?
(iv) Which element is more non-metallic, d or g?
(v) Select a letter which represents a metal of valency 2.
(vi) Select a letter which represents a non-metal of valency 2.
