Chemistry, 19.11.2020 20:10, austinmiller3030

Most neutral atoms of argon have an atomic mass of 40 amu and an atomic number of 18. what are these atoms composed of? A.18 protons,22 neutrons, and 22 electrons
B.18 protons 22 neutrons 18 electrons
C.18 protons 18 neutrons 18 electrons
D,18 protons 40 neutrons and 18 electrons

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Most neutral atoms of argon have an atomic mass of 40 amu and an atomic number of 18. what are these...