Name the elements of Group IVA and write their electronic configuration.

Write the electronic configuration Nickel.

Write the electronic configuration of Xenon.

Write the electronic configuration of cerium.

Write the electronic configuration of Fe^(2+) .

Write all the members of Gr-16 and their electronic configurations.

The outer electronic configuration of 15 group

(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.

Write the electronic configuration of scandium.