4 How do we know the presence of atom if they do not exist independently for most of the element?

Asked by rohan | 26th Nov, 2013, 05:13: PM

Expert Answer:

  • Matter is made up of tiniest particles which cannot be further divided.
  • Elements combine together to form compounds.
  • The law of chemical combination also proves that elements combine in definite proportions to form a particular compound.
  • So atoms of various elements combine together to form molecules.
  • Each molecule can be expressed by a unique chemical formula.

Answered by Vaibhav Chavan | 27th Nov, 2013, 02:42: PM

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