Question

rec
a
Use your brain power!
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lef
1. By referring to the modern periodic table find
out the periods to which the above elements w
belong.
2. Arrange the above elements in a decreasing
in
order of their atomic radii.
3. Does this arrangement match with the pattern
of the second period of the modern periodic
table?
4. Which of the above elements have the biggest
and the smallest atom?
5. What is the periodic trend observed in the
variation of atomic radius while going from
left to right within a period?
ро
ir
--
homont
K
Na
Rb
Cs​

Answer 1

Answer:

Explanation:

referring to the modern periodic table find

out the periods to which the above elements w

belong.

2. Arrange the above elements in a decreasing

in

order of their atomic radii.

3. Does this arrangement match with the pattern

of the second period of the modern periodic