danielasanchez19894 danielasanchez19894

29-01-2021
Chemistry

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Please help!!
What is most of the atom made of?

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29-01-2021

Answer:We now know that atoms are made up of three particles: protons, neutrons and electrons — which are composed of even smaller particles, such as quarks. Atoms were created after the Big Bang 13.7 billion years ago.

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