Question

DEFINE ACTONOIDS
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Answer 1

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. ... These elements are also called the actinide elements.

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. ... These elements are also called the actinide elements.