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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.

According to Rutherford,

  the electrons revolve around the nucleus.

  the neutrons revolve around the nucleus.

  the nucleus revolves around the electrons.

  the protons revolves around the nucleus.

  Half-n-half Clue
 

2.

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

  most of the atom is empty.

  the center of the atom has a negative charge.

  the center of the atom is empty.

  atomic mass is spread over the whole atom.

  Half-n-half Clue
 

3.

The alpha particle scattering experiment was carried out by

  J. J. Thomson

  E. Goldstein

  E. Rutherford

  J. Chadwick

  Half-n-half Clue
 

4.

The charge by mass ratio for electrons of various elements

  decreases with increase in atomic mass.

  increases with increase in atomic mass.

  is the same.

  increases with increase in atomic number.

  Half-n-half Clue
 

5.

Protons are

  positively-charged particles with mass.

  positively-charged particles with negligible mass.

  negatively-charged particles with negligible mass.

  neutral particles with mass.

  Half-n-half Clue
 

6.

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

  neutron

  atom

  compound

  nucleus

  Half-n-half Clue
 

7.

The Atomic Theory was given by

  James Chadwick

  John Dalton

  E. Rutherford

  J. J. Thomson

  Half-n-half Clue
 


 
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