Question

: 0
a
ni
Some elements and their Element
B C С N Be Li
atomic radii are given here. Atomic radius (pm): 66 88 77 74 111 15
You will find that atomic ra
Use your brain power!
goes on decreasing while going
1. By referring to the modern periodic table find
left to right within a period.
out the periods to which the above elements
reason behind this is as fol
belong.
While going from left to right
atomic
period, the
2. Arrange the above elements in a decreasing
order of their atomic radii.
increases one by one, meani
3. Does this arrangement match with the pattern
positive charge on the r
of the second period of the modern periodic
increases by one unit at
table?
However, the additional
1. Which of the above elements have the biggest gets added to the same ou
and the smallest atom?
shell. Due to the increased
. What is the periodic trend observed in the charge the electrons are
variation of atomic radius while going from towards the nucleus to
left to right within a period?
extent and thereby the si
atom decreases.​

Answer 1

Answer:

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