Which non metal is lightest ?

Asked by Turjo Bhattacharjee | 10th Jul, 2015, 10:14: PM

Expert Answer:

Helium gas is only twice as heavy as hydrogen gas. But as hydrogen shows properties of both metals and non-metals it has a special position in periodic table. So taking that into consideration He is the lightest non-metal.

Answered by Prachi Sawant | 11th Jul, 2015, 04:29: PM