ICSE Class 11 Chemistry | 2. Structure of Atom by Pavan | Learn Smarter
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2. Structure of Atom

The chapter delves into the fundamental structure of an atom, detailing the composition of subatomic particles such as protons, neutrons, and electrons. It explains key concepts like atomic number, mass number, and electron configuration, while also elucidating on the valency of elements and the significance of isotopes and isobars. Finally, the principles discussed serve as a foundation for comprehending chemical bonding and the periodic table's structure.

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Sections

  • 2

    Structure Of Atom

    This section outlines the fundamental components of an atom, including its subatomic particles and atomic properties.

    Learning Practice

  • 2.1

    Introduction To The Atom

    Atoms are the fundamental units of matter, comprising elements and retaining their chemical properties.

    Learning Practice

  • 2.2

    Subatomic Particles

    Atoms consist of three primary subatomic particles: protons, neutrons, and electrons, each with distinct charges and locations.

    Learning Practice

  • 2.3

    Atomic Number And Mass Number

    This section explains the concepts of atomic number and mass number as fundamental characteristics of atoms.

    Learning Practice

  • 2.4

    Bohr’s Model Of The Atom

    Bohr's model describes electrons orbiting the nucleus in fixed paths, with each shell representing a specific energy level.

    Learning Practice

  • 2.5

    Electron Configuration

    Electron configuration describes how electrons are arranged in the various shells of an atom.

    Learning Practice

  • 2.6

    Valency

    Valency refers to the combining capacity of elements, dictated by the number of electrons in their outermost shell.

    Learning Practice

  • 2.7

    Isotopes And Isobars

    Isotopes are variants of the same element with different mass numbers, while isobars are atoms of different elements that share the same mass number.

    Learning Practice

  • 2.8

    Importance Of Atomic Structure

    Atomic structure is crucial for understanding chemical bonding and reactivity, which are foundational in the study of elements.

    Learning Practice

References

c11-2.pdf

Class Notes

Memorization

What we have learnt

  • An atom is the smallest par...
  • Atoms comprise protons, neu...
  • Valency is determined by th...

Final Test

Revision Tests