Question

Study the extract of the Periodic Table given below and answer the questions that follow. Give the alphabet corresponding to the element in question.

DO NOT repeat an element.

1. Which element forms electrovalent compound with G?
2. The ion of which element will migrate towards the cathode during electrolysis?
3. Which non-metallic element has the valency of 2?
4. Which is an inert gas?

Answer 1

1. B forms an electrovalent compound with G.
2. E is non-metallic and has a valency of 2 as it belongs to group 16.
3. F is an inert gas as it belongs to the zero group.
4. A has positive ions which migrate towards cathode.