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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.

The charge on the electron was discovered by

  Faraday

  Mullikan

  Fermi

  J. J. Thomson

  Half-n-half Clue
 

2.

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

  Atomic Number

  Molecular Weight

  Isotope

  Atomic Mass

  Half-n-half Clue
 

3.

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

  Atomic Number

  Mass Number

  Atomic Weight

  Proton Number

  Half-n-half Clue
 

4.

Anode rays were discovered by

  J. Chadwick

  E. Rutherford

  J. J. Thomson

  E. Goldstein

  Half-n-half Clue
 

5.

The smallest particle of an element which can take part in chemical reactions and may or may not exist independently is the

  neutron

  compound

  atom

  nucleus

  Half-n-half Clue
 

6.

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

  Neutrons and Electrons

  Nucleus and the extra-nuclear part

  Protons and Neutrons

  Electrons and Protons

  Half-n-half Clue
 

7.

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

  Isotope Number

  Molecular Weight

  Atomic Number

  Mass Number

  Half-n-half Clue
 


 
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