NOTES – ATOMS AND MOLECULES | CLASS 9 Handwritten Notes PDF

NOTES – ATOMS AND MOLECULES | CLASS 9 Handwritten Notes PDF

TOPICS COVERED IN THESE NOTES

★LAWS OF CHEMICAL COMBUSTION

★ LAWS OF CONSERVATION OF MASS

★ LAWS OF CONSTANT PROPORTIONS

★ THE ATOMIC THEORY

★ THE POSTULATES OF THE ATOMIC THEORY BY JOHN DALTON

★ ATOMS

★ SIZE OF AN ATOM

★ THE ATOMIC MASS

★MOLECULE

★ MOLECULES OF ELEMENTS

★ATOMICITY

★MOLECULES OF COMPOUNDS

★IONS

★CHEMICAL FORMULA

★VALENCY

★ RULES OF WRITING A CHEMICAL FORMULA

★ MOLECULAR MASS AND MOLE CONCEPT

★ FORMULA UNIT MASS

★ MOLE CONCEPT

★ MOLE

★ FORMULAS TO REMEMBER