The Actinoids

What is electronic configuration of Lawrencium?

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

The maximum oxidation state which actinoid element can exhibit is

Define actinoid contraction.

In $\mathrm{f}$-block elements, $\_\_\_$orbitals are progressively filled by the electrons

Gadolinium (atomic number $64$) is a member of $4\mathrm{f}$ series. Its electronic configural in $+3$ oxidation state is $\left[\mathrm{Xe}\right]4{\mathrm{f}}^7.$ What is the ground state electronic configuration of Gadolinium$\_\_\_\_\_\_\_\_\_\_\_$

Transuranic elements are elements with atomic no. greater than _____. Americium($\mathrm{Am}$) is an example of a transuranic element.

Explain the magnetic properties of actinoids ?

Explain the reasons for variable oxidation state shown by actinoids ?

The actinoid used for the manufacture of fine rods for atomic reactors is _____.

Which of the following ion is colourless?

${\mathrm{U}}^{3+}$ ,${\mathrm{Cm}}^{4+}$ , ${\mathrm{Th}}^{4+}$

Does actinoids show actinoid contraction similar to lanthanoid contraction ?

Give an explanation for the gradual decrease in size (actinoid contraction) from element to element is greater among the actinoid than that among the Lanthanoids (lanthanoid contraction).

Explain why ${\mathrm{Gd}}^{+3}$ is colourless.

Differentiate between lantanoids and actinoids.

What are trans-uranic elements? Write their names.

What are actinoids?

Explain the position of actinoid.

The extent of actinoid contraction is greater than lanthanoid contraction, explain.