Chemistry, 27.10.2021 08:10 kprincess16r

An unknown element has two isotopes. Isotope #1 has an atomic mass of 84.91 amu (72.16%) and isotope #2 has an atomic mass of 86.91 amu (27.84%). (a) What is the average atomic mass? Isotope #1: Х Isotope #2: Х (b) What is the element? amu

An unknown element has two isotopes. Isotope #1 has an atomic mass of 84.91 amu (72.16%) and isotop

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An unknown element has two isotopes. Isotope #1 has an atomic mass of 84.91 amu (72.16%) and isotope...