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18.10.2021 •
Biology
An element has an atomic number of 51 and 71 neutrons. Give the name of the element, the number of protons, the number of electrons and the mass number
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Ответ:
The element is Antimony
Explanation:
Number of Protons - 51
Number of Electrons - 51
Mass number - 121.76 u
Ответ: