Question: show all work for everything please Pb.1. Argon has three naturally occurring isotopes: 36Ar, 18Ar and Ar. a) What is the mass number of each

show all work for everything please Pb.1. Argon has three naturally

show all work for everything please

Pb.1. Argon has three naturally occurring isotopes: 36Ar, 18Ar and Ar. a) What is the mass number of each isotope? b) How many of the following are present in each isotope? Protons: Neutrons: Electrons: Pb.2. Write the X notation for: a) An atom with 18 protons, 20 neutrons and 18 electrons b) An atom of Mn with 20 neutrons Page 1 of 4

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