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Question

A molecule of oxygen is made up of_____ atoms of the element oxygen.


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Solution

Molecules are the smallest units of matter that can exist independently. Two or more atoms combine in a simple whole-number ratio to form molecules.

Based on the type of atoms present in a molecule, molecules can be two types,

  1. molecules of elements
  2. 2. Molecules of compounds.

Molecules of elements

Atoms of certain elements combine to form molecules of those elements. Example- molecule of oxygen(O2), molecules of hydrogen(H2).

Molecules of compounds

The molecules of certain substances are made up of two or more types of atoms. Example- molecule of water(H2O),molecule of carbon dioxide (CO2).

Therefore the given statement is true ie, the same type of atoms combines combine to form molecules of elements.

Therefore a molecule of oxygen is made up of 2 atoms of the element oxygen.


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