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Chemistry, 17.10.2020 22:01 ellamai10123

An atom of a certain element has 54 protons, and 54 electrons, and a mass number of 131. 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 54 protons, and 54 electrons, and a mass number of 131. At room tem...

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