Which element can form tripositive ion ?

Related Mcqs:

Boron is non metal while other elements of IIIA group are metals. This is because______________?

A. it has small size B. it has high nuclear charge C. it forms molecular addition compounds D. all of the above...

Substance which is found in dried up lakes of Tibet and California is_______________?

A. Tincal B. Boric acid C. Calcium carbonate D. Colemanite...

The coloured glassy mass in borax bead test is due to the formation of___________________?

A. metal borate B. metal meta borate C. metal boride D. metal silicate...

If temperature of gallium arsenide is increased then its conductivity will___________________?

A. decrease B. increase C. remains constant D. first decreases then increases...

Which of the following will decompose to produce litharge_________________?

A. Pb2O B. Pb3O4 C. PbO2 D. All of the above...