The Actinoids
The Actinoids: Overview
This topic covers concepts, such as The Actinoids, Properties of Actinium and Actinoids, Electronic Configuration of Actinoids, Atomic and Ionic Sizes of Actinoids, Radioactive Nature of Actinoids, and Oxidation States of Actinoids.
Important Questions on The Actinoids
The maximum oxidation state exhibited by actinide ions is

Large number of oxidation states are exhibited by the actinoids than those by the lanthanoids, the main reason being

Lanthanoids exhibits smaller number of oxidation states than actinoids because:

Actinides () generally having more number of oxidation state as compared to lanthanoids (), because

Which of the following kings embraced Buddhism and spread its teachings?

Which of the following texts contains information about the administration of the Mauryan Empire?

Which text is considered a primary source of information about the Maurya Empire?

Which of the following exhibits only +3 oxidation state?

The reason for greater range of oxidation states in actinoids is attributed to

series is known by which name?

The number of and particles emitted in the conversion of to are

An element of 5f-series but has no electrons filled in 5f-sub shell

Most of the radioactive elements are in

True and False
I. is an oxidizing agent & colourless.
II. is colourless.
III. Actinoids exhibit higher number of oxidation states than lanthanoid
IV. All d elements give with M HCl

The main reason for larger number of oxidation states exhibited by the actinides than the corresponding lanthanides is

The electronic configuration of actinoids cannot be assigned with degree of certainty because of

Which of the following belongs to the actinides series?

The actinoids exhibit more number of oxidation states in general than the lanthanoids. This is because

Which one of the following acts as an oxidizing agent ?

Transuranic elements begins with
