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- order of atomic radii among n, ce, eu, ho
The correct order of atomic radii is :
Option 1) N > Ce > Eu > Ho
Option 2) Ho > N > Eu > Ce
Option 3) Eu > Ce > Ho > N
Option 4) Ce > Eu > Ho > N
Answers (1)
Atomic Radius -
The distance from the centre of the nucleus to the outermost shell containing the electrons is called atomic radius.It can be measured by the spectroscopic method and by x-ray diffraction or electron diffraction techniques.
-
Periodicity of atomic radius and ionic radius in period -
In a period from left to right the effective nuclear charge increases because the next electron fills in the same shell. So the atomic size decrease.
- wherein
As we have leaved in atomic radii
we know that
therefore
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