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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

Your Performance  

1.

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

  neutron

  nucleus

  compound

  atom

  Half-n-half Clue
 

2.

The currently accepted model of the atom is that of

  Heisenberg

  Bohr

  de Broglie

  Rutherford

  Half-n-half Clue
 

3.

The charge by mass ratio for electrons of various elements

  increases with increase in atomic number.

  is the same.

  increases with increase in atomic mass.

  decreases with increase in atomic mass.

  Half-n-half Clue
 

4.

According to Rutherford,

  the protons revolves around the nucleus.

  the electrons revolve around the nucleus.

  the nucleus revolves around the electrons.

  the neutrons revolve around the nucleus.

  Half-n-half Clue
 

5.

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

  Isotopes

  Isobars

  Isosters

  Twin Atoms

  Half-n-half Clue
 

6.

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

  Atomic Number

  Isotope Number

  Mass Number

  Molecular Weight

  Half-n-half Clue
 

7.

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

  Atomic Number

  Molecular Weight

  Isotope

  Atomic Mass

  Half-n-half Clue
 


 
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