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Chemistry : Atom and Atomic Structure


Answer the following question(s) based on atom and atomic structure.

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Multiple choice

Your Performance  

1.

The particle discovered as a result of cathode ray experiments is the

  proton

  neutron

  nucleus

  electron

  Half-n-half Clue
 

2.

Atoms of an element with the same number of protons but different number of neutrons in the nucleus are known as

  Isosters

  Twin Atoms

  Isotopes

  Isobars

  Half-n-half Clue
 

3.

The volume of the nucleus as compared to the volume of the atom is

  75%

  25%

  50%

  Negligible

  Half-n-half Clue
 

4.

The charge on the electron was discovered by

  Fermi

  Faraday

  Mullikan

  J. J. Thomson

  Half-n-half Clue
 

5.

The sum of the numbers of the protons and neutrons in the atom of an element is known as

  Molecular Weight

  Mass Number

  Isotope Number

  Atomic Number

  Half-n-half Clue
 

6.

The Atomic Theory was given by

  E. Rutherford

  J. J. Thomson

  James Chadwick

  John Dalton

  Half-n-half Clue
 

7.

The average mass of an atom of an element is known as

  Molecular Weight

  Atomic Number

  Atomic Mass

  Isotope

  Half-n-half Clue
 


 
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