Question

The total number of inner transition elements is (A) 10 (B) 14 (C) 28 (C) 30

Answer 1

☆☆ AS-SALAMU-ALYKUM ☆☆

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OPTION C IS CORRECT

14 ARE ACTINIDE AND 14 ARE LANTHENIDS

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♡♤♡INSHALLAH IT WILL HELP U ♡♤♡

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HAVE A NICE DAY ☺☺

Answer 2

Answer: The total number of inner transition elements is 30.

Explanation:

Inner transition elements are the elements which belong to f-block, that is, elements in which electrons have filled up their f-orbitals.  

Lanthanides and actinides are known as inner transition elements as they are present at the bottom two rows of the periodic table.

In lanthanide series, there are 15 elements and in actinides also there are 15 elements.

So, it means that in total there are (15 + 15) = 30 inner transition elements.

Thus, we can conclude that the total number of inner transition elements is 30.