Know some inorganic!(1)

Chemistry Level 5

How many statements are correct?

Actinoids have only one stable oxidation state

Its very easy to study the chemistry of actinoids owing to there radioactive nature

Samarium has the lowest melting point among lanthanoids

Gadolinium has 7 electrons in the 4f subshell and 2 electrons in 5d subshell

Size of Zirconium(Zr) is very slightly less than that of Hafnium(Hf) owing to lanthanoid contraction

Cerium(IV) reacts explosively with water

Europium can show +2 oxidation state

×

Problem Loading...

Note Loading...

Set Loading...