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Billie
Chemistry
19 May, 09:42
What's an atom?
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Rachael Downs
19 May, 09:58
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an atom itself is made up of three tiny kinds of particles called subatomic particles:proton neutron and electron. it is a fundamental piece of matter. In a normal (neutral) atom the number of protons and the number of electrons are equal. Often, but not always, the number of neutrons is the same, too.
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Jakob Lloyd
19 May, 10:07
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Answer: the basic units of matter and the defining structure of elements/Smallest part of an element that can still retain the properties of that element
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