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The smallest particle is the muon neutrino. The subatomic particles are not measured in size; they are measured in energy. The muon neutrino has an energy of less than 0.170 MeV/c2.

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13y ago
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5mo ago

The smallest whole particle on this planet is an atom. Atoms are the basic building blocks of matter and are made up of protons, neutrons, and electrons.

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14y ago

Electron. An electron has a mass of 9.11 x 10-28 grams.

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Q: What is the smallest whole particle on this planet?
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Which is the smallest whole particle that makes up matter?

an atom


What is the smallest darkest coldest planet?

Pluto is the smallest and the coldest planet in the whole Solar System.


Is a neutron bigger than a electron?

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The smallest whole bit of matter for elements is an atom, for compounds is a molecule, and for mixtures is a particle.


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