What Is An Atom?
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An atom is the
smallest particle
of an element that is not found in the free state.
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For example, atoms of gold, silver, platinum, etc. take part in
chemical reactions
.
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But it does not split in chemical reactions.
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It is the
smallest
particle of the element –
Cl, H, N, et
c.
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Dalton's Atomic Model -
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In 1808, a scientist named
John Dalton
presented his ideas regarding the atomic structure.
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This is called
Dalton's atomism
.
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According to this principle, all the properties of matter are inherent in an atom.
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