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Chemistry : Atoms, Molecules, Elements and Compounds


Answer the following questions by choosing the appropriate option.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

The smallest atom is that of hydrogen.

  True

  False

 

2.

Electrons are present in the nucleus.

  True

  False

 

3.

Neutrons are negatively-charged.

  True

  False

 

4.

Isotopes have same atomic number.

  True

  False

 

5.

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

  True

  False

 

6.

An atom consists of a central nucleus containing positively-charged protons and negatively-charged neutrons.

  True

  False

 

7.

One atom of carbon and two atoms of oxygen combine to form a molecule of carbon dioxide [CO2].

  True

  False

 

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