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Tardigrade
Question
Chemistry
The elements in which electrons are progressively filled in 4f orbital are called
Q. The elements in which electrons are progressively filled in
4
f
orbital are called
2884
212
Classification of Elements and Periodicity in Properties
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A
actinoids
8%
B
transition elements
11%
C
lanthanoids
79%
D
halogens.
3%
Solution:
In lanthanoids, electrons are progressively filled in
4
f
orbital.