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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%

  Negligible

  50%

  75%

  Half-n-half Clue
 

2.

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

  Molecular Weight

  Mass Number

  Atomic Number

  Isotope Number

  Half-n-half Clue
 

3.

The particle discovered in the anode ray experiments is the

  neutron

  proton

  electron

  meson

  Half-n-half Clue
 

4.

As a result of Rutherford's scattering experiment, it was concluded that

  the center of the atom is empty.

  the center of the atom has a negative charge.

  most of the atom is empty.

  atomic mass is spread over the whole atom.

  Half-n-half Clue
 

5.

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

  nucleus

  electron

  proton

  neutron

  Half-n-half Clue
 

6.

The charge by mass ratio for electrons of various elements

  decreases with increase in atomic mass.

  increases with increase in atomic number.

  is the same.

  increases with increase in atomic mass.

  Half-n-half Clue
 

7.

The alpha particle scattering experiment was carried out by

  E. Goldstein

  E. Rutherford

  J. Chadwick

  J. J. Thomson

  Half-n-half Clue
 


 
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