Question

What do you mean by Actinoid

Answer 1

Answer:

Definition of actinoid. (Entry 1 of 2) 1 : resembling a ray especially of a radially symmetrical animal. 2 : exhibiting radial symmetry.

Answer 2

Answer:

Actinoids or actinides are 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89­103). As a group, they are significantly large because of their radioactivity.