CBSE 9 Science | 4. Structure of the Atom by Akhil | Learn Smarter
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4. Structure of the Atom

4. Structure of the Atom

14 sections

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  1. 4
    Structure Of The Atom

    This section discusses the structure of atoms, including the discovery of...

  2. 4.1
    Charged Particles In Matter

    Atoms are composed of charged sub-atomic particles, challenging the notion...

  3. 4.2
    The Structure Of An Atom

    This section explains the structure of an atom, introducing the concepts of...

  4. 4.2.1
    Thomson's Model Of An Atom

    J.J. Thomson's model proposed that atoms are composed of a positively...

  5. 4.2.2
    Rutherford's Model Of An Atom

    Rutherford's model revolutionized the understanding of atomic structure by...

  6. 4.2.3
    Bohr's Model Of An Atom

    Bohr's model introduces quantized electron orbits to explain atomic...

  7. 4.2.4

    Neutrons are neutral subatomic particles discovered by J. Chadwick in 1932,...

  8. 4.3
    How Are Electrons Distributed In Different Orbits (Shells)?

    The section discusses how electrons are distributed within different energy...

  9. 4.4

    Valency refers to the combining capacity of an atom based on the number of...

  10. 4.5
    Atomic Number And Mass Number

    This section introduces the concepts of atomic number and mass number,...

  11. 4.5.1
    Atomic Number

    This section explores the concept of atomic number as the defining...

  12. 4.5.2

    The mass number of an atom is the total count of protons and neutrons in its...

  13. 4.6

    Isotopes are atoms of the same element with the same atomic number but...

  14. 4.6.1

    Isobars are atoms of different elements that share the same mass number but...

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