Answer to Question #68314 in General Chemistry for Bille

Question #68314

The noble gas in the same row as an isotope with 30 neutrons and 25 protons

Expert's answer

Number of protons correspond to number of element in Periodic table (atomic number). So 25 protons correspond to Manganese (Mn) that have 30 neutrons. The noble gas in the same row as Manganese is Krypton (Kr)

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28.08.18, 10:13

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28.08.18, 05:17

the noble gas in the same period with the alkaline earth metal with 12 protons

Answer to Question #68314 in General Chemistry for Bille

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