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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 Atomic Theory was given by

  John Dalton

  James Chadwick

  E. Rutherford

  J. J. Thomson

  Half-n-half Clue
 

2.

The alpha particle scattering experiment was carried out by

  E. Rutherford

  E. Goldstein

  J. Chadwick

  J. J. Thomson

  Half-n-half Clue
 

3.

The charge by mass ratio for electrons of various elements

  is the same.

  increases with increase in atomic number.

  increases with increase in atomic mass.

  decreases with increase in atomic mass.

  Half-n-half Clue
 

4.

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

  Atomic Mass

  Isotope

  Molecular Weight

  Atomic Number

  Half-n-half Clue
 

5.

Neutrons are

  neutral particles with mass.

  positively-charged particles with mass.

  negatively-charged particles with negligible mass.

  positively-charged particles with negligible mass.

  Half-n-half Clue
 

6.

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

  atomic mass is spread over the whole atom.

  the center of the atom is empty.

  most of the atom is empty.

  the center of the atom has a negative charge.

  Half-n-half Clue
 

7.

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

  Electrons and Protons

  Protons and Neutrons

  Neutrons and Electrons

  Nucleus and the extra-nuclear part

  Half-n-half Clue
 


 
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