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Chemistry, 09.12.2020 01:00 Vicky22Shz

An atom of element Be has four protons, four electrons, and five neutrons. Which element below could be an isotope of this atom? Sodium-10 beryllium-10 boron-9 carbon-9

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An atom of element Be has four protons, four electrons, and five neutrons. Which element below could...
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