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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

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1.

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

  Isobars

  Twin Atoms

  Isotopes

  Isosters

  Half-n-half Clue
 

2.

According to Rutherford, the atom consists of the following two parts

  Protons and Neutrons

  Nucleus and the extra-nuclear part

  Electrons and Protons

  Neutrons and Electrons

  Half-n-half Clue
 

3.

The charge on the electron was discovered by

  J. J. Thomson

  Mullikan

  Fermi

  Faraday

  Half-n-half Clue
 

4.

Neutron was discovered by

  James Chadwick

  E. Rutherford

  E. Goldstein

  John Dalton

  Half-n-half Clue
 

5.

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

  Isotope

  Atomic Number

  Molecular Weight

  Atomic Mass

  Half-n-half Clue
 

6.

The number of protons present in the atom of an element is known as the

  Proton Number

  Atomic Number

  Atomic Weight

  Mass Number

  Half-n-half Clue
 

7.

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

  Molecular Weight

  Isotope Number

  Atomic Number

  Mass Number

  Half-n-half Clue
 


 
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