Chemistry Questions

What is the position of metallic ion and non-metallic ion in a chemical formula?

The movement of water molecules through the plasma membrane is called ______.

Who first discovered the every eighth element had properties similar to that of the first?

Generally covalently bonded molecules ______.

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

_______contributes towards global warming so it is called a greenhouse gas.

The vast amount of sea weeds present in oceans may produce an endless source of

An electron loses potential energy when it

Which of the following statements are CORRECT?

I. Esters are sweet smelling substance.
II Esters are used in making perfumes.
III. Functional group of ester is R-O-RꞋ.