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18 Nov 2019
Which are isotopes? An atom that has an atomuc number of 34 and a mass number of 76 is an isotope of an atom that has A) 42 neutrons and 34 protons. B) 42 protons and 34 neutrons. C) an atomic number of 34 and a mass number of 80 D) an atomic number of 32 and a mass number of 76
Which are isotopes? An atom that has an atomuc number of 34 and a mass number of 76 is an isotope of an atom that has A) 42 neutrons and 34 protons. B) 42 protons and 34 neutrons. C) an atomic number of 34 and a mass number of 80 D) an atomic number of 32 and a mass number of 76
radon424Lv3
12 Oct 2021
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Sixta KovacekLv2
22 May 2019
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