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

  25%

  50%

  Negligible

  75%

  Half-n-half Clue
 

2.

The Atomic Theory was given by

  J. J. Thomson

  James Chadwick

  John Dalton

  E. Rutherford

  Half-n-half Clue
 

3.

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

  Molecular Weight

  Atomic Number

  Isotope Number

  Mass Number

  Half-n-half Clue
 

4.

The alpha particle scattering experiment was carried out by

  E. Rutherford

  J. J. Thomson

  E. Goldstein

  J. Chadwick

  Half-n-half Clue
 

5.

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

  Isotopes

  Isobars

  Isosters

  Twin Atoms

  Half-n-half Clue
 

6.

Electrons are

  positively-charged particles with mass.

  positively-charged particles with negligible mass.

  negatively-charged particles with mass.

  negatively-charged particles with negligible mass.

  Half-n-half Clue
 

7.

The particle discovered in the anode ray experiments is the

  neutron

  proton

  electron

  meson

  Half-n-half Clue
 


 
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