Answer:
(a)The symbols of
elements arranged in increasing order of their atomic numbers are as shown
below
(b) The
symbols of elements arranged in increasing order of their group numbers are as follows.
1
2
13
14
15
16
17
18
H
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
P
S
Cl
Ar
K
Ca
You need to login to perform this action.
You will be redirected in
3 sec