Copper has an atomic number 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 copper atoms could you make out of 145 protons?
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Copper has an atomic number 29. that means that there are 29 protons in the nucleus of each copper a...
Mathematics, 10.12.2019 06:31
Mathematics, 10.12.2019 06:31
Mathematics, 10.12.2019 06:31