Question

(4 marks eai
A part of modern periodic table is shown here. Study it and answer the following questior
0
E. Very long answer questions.
He
С
F
P.
IV V
III
VI VII
H II
Be
B
N
O
Ne
Na Mg
Al Si
S
Сі
Ar
(a) On what basis are, elements arranged from left to right?
(b) Name the
group
of alkali metal, alkali earth metal, metalloids, halogens and inert
(Noble gases)
8 영
(c) Name the group of highly reactive metals and highly reactive nonmetals.
(d) Why is helium kept in zero group of periodic table?
Reliant Science - 10​

Answer 1

Answer:

(a)electronegativity

b)1,2,13-16,17,18 respectively

c)1,18 respectively

d)o group means 18th group as it does not react