Home
Class 12
CHEMISTRY
Actinum is the element of...

Actinum is the element of

A

transition series

B

inner transition series

C

5f series

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
We know that, actinium has electronic configuration `7s^(2), 5f^(0), 6d^(1).` No electrons in 5f orbital. Hence it is niot f-block element. It is d-block or transition element.
Promotional Banner

Topper's Solved these Questions

  • COMPOUNDS CONTAINING NITROGEN

    NIKITA PUBLICATION|Exercise MCQ|418 Videos

  • ELECTROCHEMISTRY

    NIKITA PUBLICATION|Exercise Questions From Competitive Exam|46 Videos

Similar Questions

Explore conceptually related problems

The element with atomic number 35 is the element of

A radioactive element A on disintegration gives two elements B and C. If B is helium and C is the element of atomic number 90 and atomic mass 234, the element A is:

Elements

Elements

Elements

Typical elements is the name given to the elements of

Transuranium elements are the elements of actinide series, which follows ?

Atomic number of an element is 26. the element shows