Structure of An Atom

Punjab Board > Class 7 > General Science (Total Videos: 166)

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Chapter 6: Structure of An Atom (14 videos)   (Practice Test)
6.1: Structure of an Atom
  1. Structure of an Atom
6.2: Atomic And Mass Numbers  (Practice Test)
  1. Atomic Number
  2. Mass Number
6.3: Distribution of Electrons in Shell  (Practice Test)
  1. Distribution of Electrons in Shell
  2. More on Distribution of Electrons in Shell
6.4: Valency And Ions  (Practice Test)
  1. Valency
  2. More on Valency
  3. Ions
6.5: Isotopes And Their Uses  (Practice Test)
  1. Isotopes
  2. Uses of Isotopes
6.6: Molecules And Chemical Formulae  (Practice Test)
  1. Molecules
  2. Chemical Formula
  3. Making Chemical Formula of Ionic Compounds
6.7: Law of Constant Composition  (Practice Test)
  1. Law of Definite(Fixed) Proportion