Chemistry, 28.06.2019 20:00 aaqa3735

An element has an isotope with a mass of 203.973 amu and and abundance of 1.40%. another isotope has a mass of 205.9745 amu with an abundance of 24.10%. a third isotope weighs 206.9745 amu and is 22.10%, and the fourth isotope weighs 207.9766 amu and an abundance of 57.40. calculate the average atomic mass and identify the unknown element.

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An element has an isotope with a mass of 203.973 amu and and abundance of 1.40%. another isotope has...