Characteristics of Atoms


 
 
Concept Explanation
 

Characteristics of Atoms

Atom and Characteristics of Atom : Smallest particle of an element which shows all properties of element is called atom. Some characteristics of "atoms" are as follows:

  • Atom takes part in chemical reactions independently.
  • Atom can be divided into a number of sub-atomic particles.
  • Fundamental particles of atom are electron, proton and neutron.
  • The properties of a matter depend on characteristic of atoms.
  • The size of atoms is indicated by its radius.
  • In ancient time atoms was considered indivisible.
  • The protons in the nucleus is the atomic number of this atom.
  • The number of protons is equal to the number of electrons.
  • Sample Questions
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    Question : 1

    What is the radius of the smallest atom ?

    Right Option : B
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    Question : 2

    _______________________atom is the smallest atom.

    Right Option : C
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    Question : 3

    What are the fundamental particles of atom ?

     

    Right Option : D
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