what is a atom?Explain in simple words
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In Simple words, The term "atom" comes from the Greek word for indivisible, because it was once thought that atoms were the smallest things in the universe and could not be divided. We now know that atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks.
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Atom is the smallest particle on the earth. It consists of electon and protons.
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