How many protons and neutrons are in an atom of magnesium July 8, 2019 16 32 64 128 How many protons and neutrons are in an atom of magnesium that has a mass number of 23 How many protons p and neutrons n are in an atom of magnesium 26 Ортоломону колдонуп салмакты аныктоо 6 класс
