Biology, 20.08.2019 11:00 Masielovebug
In a neutral calcium atom, there are 20 protons, 20 neutrons, and 20 electrons. if a calcium atom loses 2 electrons, what will be the calcium atom's charge?
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In a neutral calcium atom, there are 20 protons, 20 neutrons, and 20 electrons. if a calcium atom lo...
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