Element X has three isotopes

Isotope 1 Isotope 2 Isotope 3

Mass 28 29 30

Abundance % 92.18 4.71 3.12

ii)Use the isotope abundances and masses to calculate the relative atomic mass of x. Quote your answer to one decimal place.

ii) Identify Element X.

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PLease help im really confused and need clear and detailed steps

1 answer

Again, this is the candy mixture problem of Algebra I.

relativemass*100=92.18*28+4.71*29+3.12*30

ii look at the periodic table and find the element which as the same atomic mass.