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

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Important Questions on d- and f-Block Elements

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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Write any three applications of d- and f-block elements.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Give any four differences between Lanthanoids and actinoids.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids

Write any four applications of f-block elements.

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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids

Account for the following, Actinoids has greater tendency to form complexes in comparison to Lanthanoids.

EASY
Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Explain why: Zn2+ salts are white whereas Cu2+ salts are coloured.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Clarify the difference between Lanthanoid and Actinoid.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Give two differences between Lanthanoids and Actinoids.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Actinoides exhibit a large number of oxidation states in comparison to corresponding members of lanthanoid series. Why?
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Explain why: Transition metals and their compounds act as catalyst.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Write any three differences between lanthanides and actinides.
EASY
Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids

Give reason: Actinoid contraction is greater from element to element than lanthanoid contraction.

HARD
Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Give three points of difference between lanthanoids and actinoids.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids

How will you account for the following?

Actinoids exhibit more number of oxidation states than lanthanoids.

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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Explain why: Transition elements form alloys.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
More number of oxidation state are exhibited by the actinoids than by lanthanoids. The main reason for this is;
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
The extent of actinoid contraction is greater than lanthanoid contraction, explain.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Compare the chemistry of actinoids with that of the lanthanoids with special reference to the electronic configuration. 
HARD
Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Differentiate between lantanoids and actinoids.
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because:
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Chemistry>Inorganic Chemistry>d- and f-Block Elements>The Actinoids
Actinoids have greater tendency to form complexes than lanthanoids because