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Chemistry : Atoms, Molecules, Elements and Compounds


Answer the following questions by choosing the appropriate option.

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Multiple choice

Your Performance  

1.

Atomic weight of an element is the mass of an atom of that element in grams.

  True

  False

 

2.

Nucleus always contains a neutron.

  True

  False

 

3.

Isotopes have same atomic weight.

  True

  False

 

4.

The number of electrons in a neutral atom is equal to its atomic number.

  True

  False

 

5.

Electrons are present in the nucleus.

  True

  False

 

6.

Isotopes have same atomic number.

  True

  False

 

7.

In a neutral atom, the number of neutrons and protons is equal.

  True

  False

 


 
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