Chemistry, 13.07.2019 06:30 Bri0929

The mass number of an atom is the sum of its protons and neutrons. the most common isotope of argon is ar-40 (40 ar), with a natural abundance of 99.6 %. the mass number for ar-40 is

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The mass number of an atom is the sum of its protons and neutrons. the most common isotope of argon...