Name the main ore of magnesium.

Write the chemical name of plaster of paris

Epsom salt is used as

Which element has high ionization energy

Magnesium is mainly present in which part of the plant?

Beryllium resembles which one of the element in the 13th group?

The element ,beryllium resembles its anomalous behaviour with ____________ group .

Write the chemical formula of bleaching powder

The third abundant ion dissolved  in the ocean is______________

Beryllium resembles which one of the element in the 13th group?.