Question

what isatom explain

Answer 1

Hey !! Here Is UR Ans :>

1.Atom Is made up of many molecules ...
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2. Atoms are the basic unit of matter and the defining structure of elements ....
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3. We now know that atoms are made up of 3 particles.
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4. protons, neutrons, electrons which are composed even smaller particles of such as quarks.
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5. An atom a fundamental piece of matter. ... Everything in the universe (except energy) is made of matter, and, so, everything in the universe is made of atoms. 
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I Hope This Helps U (^o__o^)

Answer 2

Hii Here is Ans =>

An atom is the smallest constituent unit of ordinary matter that has the properties of a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small; typical sizes are around 100 picometers.
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I Think it's Helps u :-)