What are particles made-up of ?
(A) 2 electrons and 2 protons (B) 2 protons and 2 neutrons
(C) 2 electrons and 2 neutrons (D) Helium atom
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Matter is made of atoms and that atoms are made of smaller ingredients: protons, neutrons and electrons. Protons and neutrons are made of quarks, but electrons aren't.
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Quantum physics says everything is made of particles, but what does that actually mean? We learn in school that matter is made of atoms and that atoms are made of smaller ingredients: protons, neutrons and electrons. Protons and neutrons are made of quarks, but electrons aren't.
C) 2 electrons and 2 neutrons
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