What Do You Understand By Metalloids And Noble Gases

What do you understand by : Metalloids and Noble gases.

Answers:
  1. Metalloids : Metalloids are those substances which have some properties of metals and some of non-metals e.g. boron, silicon.
  2. Noble gases : Noble gases are those which do not react chemically with other elements or compounds e.g. helium, neon, etc.