Question

Pls differntiate b/w atomic number....atomic mass ...molar mass...valency...mole...

Answer 1

Elements differ from one another according to the number of protons in their nuclei. This value is called atomic number.The number pf nucleons,is the total number of protons and neutrons in an atom. It is called the atomic mass.Mass of one mole of a substance is called its molar mass.The combining capacity of an element of atom is called its valency.A mole is formed by one or more atoms