Explain how can you say electrons and protons are fundamental particle

1.	Explain how can you say electrons and protons are fundamental particles of all the atoms.
Answer» amental particle” which is a “particle” that cannot further be BROKEN down. An atom is not a basic particle because it can be divided sub-particles LIKE electrons, protons, and NEUTRONS. An “electron” is a “key particle” which is impossible to “broken down” more. However, a proton and neutrons may be further broken down into three quarks. However, quarks cannot be further broken down so that they are regarded as a FUNDAMENTAL particle.

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