Valency of an element is the number of electrons gained, lost, or shared by the atom of an element, to complete its octet or duplet.
A mixture is a substance that contains two or more pure substances which are not chemically combined but mixed physically in any proportion.
Structure of an Atom: The atom is not an indivisible particle. It consists of two fundamental particles, namely, electrons and protons.
Let’s learn about the factors affecting evaporation such as humidity, surface area, temperature and the wind. How they influence evaporation?
There are three states of matter: Solid, Liquid and Gas. They arise due to the variation in the characteristics of the particles of matter.