Pick the correct statement for the following isotope: 42Ca
42 is the mass number and 20...
Chemistry, 13.02.2020 20:59 Kareemgreen1237
Pick the correct statement for the following isotope: 42Ca
42 is the mass number and 20 is the atomic number.
42 is the number of neutrons and 20 is the number of protons.
42 is the number of protons and 20 is the number of electrons.
42 is the atomic number and 20 is the number of neutrons.
Answers: 2
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