The Actinoids

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

Uranium is used in the treatment of cancer.

 Which of the actinoids is used as a nuclear fuel?

Which of the following is not a use of actinoids?

Mention three uses of actinoids.

The general formula of the oxides of actinoids is

The general formula of the oxides of actinoids is ${\mathrm{M}}_2{\mathrm{O}}_3$.

What are the oxidation states shown by actinoids in their oxides?

Describe how to prepare the oxides of actinoids.

Describe the nature of oxides of actinoids.

Curium is the most reactive actinoid.

Name the most reactive actinoid.

Identify the most reactive actinoid.

${\mathrm{U}}^{3+}$ is a diamagnetic trivalent actinoid ion.

Identify the paramagnetic ion(s) from the given trivalent actinoids.

Identify the diamagnetic ion from the given trivalent actinoids.

Discuss the magnetic nature of the trivalent actinoids.

The colour is due to electronic transition within the $5\mathrm{f}$ levels.

${\mathrm{Pu}}^{3+}$ shows pink colour.

${\mathrm{U}}^{3+}$ shows red colour.