justinbieber1994 justinbieber1994

23-10-2017
Chemistry

contestada

1. Why does the atomic model keep changing? People discovered that atoms are made up of even smaller particles. Then the models change because of how we think atoms are composed

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jessicabachmeie jessicabachmeie

24-10-2017

go on answers.com it has the answer, also jiskha.com has a lot of test answers for connexus

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