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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.

Protons are

  neutral particles with mass.

  negatively-charged particles with negligible mass.

  positively-charged particles with negligible mass.

  positively-charged particles with mass.

  Half-n-half Clue
 

2.

According to Rutherford,

  the neutrons revolve around the nucleus.

  the nucleus revolves around the electrons.

  the electrons revolve around the nucleus.

  the protons revolves around the nucleus.

  Half-n-half Clue
 

3.

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

  nucleus

  neutron

  atom

  compound

  Half-n-half Clue
 

4.

The Atomic Theory was given by

  John Dalton

  J. J. Thomson

  E. Rutherford

  James Chadwick

  Half-n-half Clue
 

5.

The charge on the electron was discovered by

  J. J. Thomson

  Fermi

  Faraday

  Mullikan

  Half-n-half Clue
 

6.

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

  most of the atom is empty.

  atomic mass is spread over the whole atom.

  the center of the atom has a negative charge.

  the center of the atom is empty.

  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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