Answers To CP Review HW For Isotopes And Atomic Mass Calculations

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4) Weighed average (by # of isotopes) of the masses of all isotopes of an element.

1) Atom of the same element different by mass (that also is number of neutron).
2) ¹³₆C, Carbon-13, C-13

3) 6p⁺, 6e^-, 7n⁰

4) Weighed average (by # of isotopes) of the masses of all isotopes of an element.

5) Closer to X-21, since almost all isotope are X-21, then the weighed average by # of isotope should be closer to X-21 mass.

6) Use notes to see the work need to fill in blank atomic mass calculation correctly. Actual atomic mass of Chlorine (Cl) = 35.453 amu