All actinoids are diamagnetic in nature.

Actinoids are mostly attacked by which acid?

What is the most common oxidation state of lanthanides?

What is the common oxidation state of scandium? (At. No. of Sc = 21)

Which compound is used in Ultra-violet calibration?

Which of the following is Baeyer’sreagent?

Which of the actinoids is used in the treatment of cancer?

Which of the following metal is used as a thermometric liquid?