What happens when sodium is put in a solution of ammonia?

Which of the following is true about interhalogen compounds?

Which of the following gas is used as Holmes signal?

What happens to the size of atoms of elements of p-block as we move from left to right in the same period?

What is the electronic configuration of chloride?

Which of the following statements is incorrect regarding dinitrogen pentoxide?

Who first recognized sulfur as an element?

What will be the products of the reaction – C2H4 + 2O2 →?