The metallic character of ______ is less than that of alkaline earth metals.

Boron is used as a __________

Which of the following is not a use of Boron?

Boron shows a diagonal relationship with ________

Which of the following is not a use of orthoboric acid?

What is the colour of borax bead in the basic radical chromium test?

Which of the following is true regarding the acidic character?

Which of the following elements is more reactive with air?