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Atom is the smallest particle that takes place in a chemical reaction.
Atom are indivisible(cannot be divided).
Molecules are combination of two or more atoms.
Molecules are divisible.
Both cannot be seen with naked eyes.
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they can be divide
my book stated so
no atom can'nt divide
yes atoms r divisible..
they r divided into :- protons, neutrons, electrons
Atom are the smallest particle of an element
there are atoms of helium , hydrogen , oxygen there are 120 element

molecules are made up of atom and it is bigger
water is molecule becoz it is made of two element
atom of oxygen and atom of hydrogen
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please mark as best i need it
mark as best