Question

Question:

Define Atom, Molecules & Elements and Compounds ?

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Answer 1

Answer:

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Answer 2

Answer:

Atoms are the smallest particle of a substance,every matter contains thousands of atoms.Atoms are not Capable of Independent existence.

Eg. O,H

Molecules are groups of atoms,Which are capable of Independent Existence

Eg. h20,02

Molecules

Elements are group of atoms,Which have the same Number of protons .

Eg.Helium,Iron

     He  ,     Fe

Compounds are a mix of Elements that cannot be Seperated By physical means,It can only be seperated by Chemical means

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