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Overview

The essential terms related to the atom are an atomic number, mass number, electronic configuration, valency, isotopes and isobars. Atomic Number represents the total number of protons present in the nucleus of an atom. The word 'atom' has been derived from the Greek word 'a-tomio' which signifies 'non-divisible'. It is a neutral atomic particle. To describe the arrangement of subatomic particles within an atom, many models of an atom are proposed. Some of them are Thomson’s Model, Rutherford’s Model, Bohr’s Model. Atoms comprise of three fundamental particles: protons, electrons, and neutrons.

  • Thompson's Structure Of An Atom

  • Rutherford's - Alpha Particules

  • Class 9 Student

About the instructor


                                 Rashmi T
  • 3
  • 15 Students
  • 13 Courses

Rashmi T

I have More than 35 years of Management and teaching experience in chemistry subject also I have done Ph.D. from IIT Roorkee in chemistry. 

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    Course Features

  • Lectures 14
  • Duration 01 Hours
  • Skill level All level
  • Language English