Chemistry- Grade 9

Published by National Book Foundation as Federal Textbook Board Islamabad

  Chapter 1: Fundamentals of Chemistry

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1.1 BRANCHES OF CHEMISTRY  (Watch All Lessons)

> 1.1.1 Differentiation between Branches of Chemistry

1.2 BASIC DEFINITIONS

> 1.2.1 Elements, Compounds and Mixtures

> 1.2.2 Atomic Number, Mass Number

> 1.2.3 Relative Atomic Mass and Atomic Mass Unit

> 1.2.4 Empirical Formula, Molecular Formula

> 1.2.5 Molecular Mass and Formula Mass

1.3 CHEMICAL SPECIES

> 1.3.1 Ions (Cation, Anions), Molecular Ions and Free Radicals

> 1.3.2 Representiative Particles of Elements and Compounds

1.4 AVOGADRO’S NUMBER AND MOLE

> 1.4.1 Gram Atomic Mass, Gram Molecular Mass and Gram Formula Mass

1.5 CHEMICAL CALCULATIONS

> 1.5.1 Mole-Mass Calculations

> 1.5.2 Mole-Particles Calculations