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6 Oct 2020
which element has the following contains 28 protons, 30 neutrons, and 26 electrons?
which element has the following contains 28 protons, 30 neutrons, and 26 electrons?
Lulama KlaasLv10
23 Nov 2020
which element has the following contains 28 protons, 30 neutrons, and 26 electrons?