Chemistry
Chemistry, 07.07.2019 16:00, savage5447

Hello can somone me ? copper has an atomic number of 29. that means that there are 29 protons in the nucleus of each copper atom. that's what the atomic number is; the number of protons in an atom of a certain element. if one copper atom contains 29 protons, how many elections are there in in 4 atoms of copper?

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Hello can somone me ? copper has an atomic number of 29. that means that there are 29 protons in t...

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