Chemistry

Chemistry

Problem

An ion M3−\text{M}^{3-} contains 10 electrons and 7 neutrons. What is the atomic number and mass number of the element M? (A) 7,14 (B) 10,17 (C) 7,10 (D) 13, 7 (A) 7,14 (B) 10,17 (C) 7,10 (D) 13, 7

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