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Atoms are now said to be a cloud of electrons surrounded by a nucleus. (1 янв 2015 г. – 31 май 2018 г.)

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Theories of Matter Timeline

ByJulia Moscaluk

4 ноя 2018

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1 янв 2015 г.

31 май 2018 г.

~ 3 years and 4 months

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