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Chemistry 8 Online
OpenStudy (anonymous):

PLEASE HELP! Explain why a model of the atom is crucial to understanding chemistry and in explaining the behavior of matter. Use 3 - 4 sentences in your explanation.

OpenStudy (photon336):

All matter is made up of atoms so it's fundamentally the basis of everything. Atoms are made up of protons and neutrons in the nucleus and electrons in orbitals/shells. The electrons in the valence shell farthest from the nucleus participate in chemical reactions.

OpenStudy (anonymous):

thank you so much!

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