Non-metals are the elements that do not conduct heat and electricity; they are not shiny and have dull appearance. During chemical reactions, non-metals can form negative ions by gaining electrons.

Non-Metal are those elements which do not exhibit the metallic characteristics. In the periodic table non-metals are kept almost in the right most. In modern periodic table there are 22 non-metals in ...

There are lots of different substances but only just over a hundred elements. An element is a substance that is made up of only one kind of atom. The atoms in a particular element are the same as each ...