What are alloys? Name an important alloy which contains some of the lanthanoid metals. Mention its uses.

(a) Describe the following characteristics of the first series (Sc to Zn) (i) Atomic radil, (ii) Oxidation states (iii) Ionisation enthalpies. (b) Name an important alloy which contains some of the lanthanoid metals. Mention its two uses.

What is lanthanoid contraction ? Name an important alloy which contains some of the lanthanoid metals.

What are alloys? Name one important alloy and give its uses.

(i) Which is the last element in the series of the actinoids? Write the electronic configuration of this element. Comment on the possible oxidation state of this element. (ii) What is lanthanoid contraction? Name an important alloy which contains some of the lanthanoid metals.

What is Lanthanoid contraction? Name an alloy which contains some of the lanthanoids elements.

What are alloys ? Name two alloys.

Which one of the following alloys contains some of the lanthanoid metals ?

Misch metal alloy contains about 95% lanthanoid/actinoid metals.