Engineering, 06.10.2020 01:01, savyblue1724707

An atom of a certain element has 36 protons, 36 electrons and a mass number of 84. At room temperature this element is a very stable gas. How many neutrons are in this atom?

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An atom of a certain element has 36 protons, 36 electrons and a mass number of 84. At room temperatu...