Using a spectrometer to measure the spectrum of emitted light will not reveal the mix of isotopes; analyzing the sample with a mass spectrometer.

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Chapter 30, Problem 5CQ

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To explain: Using a spectrometer to measure the spectrum of emitted light will not reveal the mix of isotopes; analyzing the sample with a mass spectrometer.

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Elements that appear in the same column of the periodic table often share similar chemical properties. For alkaline earth metals, this is troublesome because the body treats radium (a radioactive element) like calcium, storing it in the bone marrow. The radium then bombards nearby bone cells with alpha particles, causing them to "crumble." Radium poisoning investigations often center on the identification of radium and its isotopes in bone samples using a mass spectrometer. Pictured is a schematic of a simplified mass spectrometer that shows the paths of calcium isotopes, barium (another alkaline earth metal) isotopes, and radium isotopes entering the chamber. +++++++++ lonized Detector B C D E F G Using the data shown in the table, calculate the path radius r of the Ca ion. Using the same data table, match the particles to their path label. The region shown is immersed in a constant magnetic field of 0.352 T pointing out of the plane of the schematic. Motion of the positively-charged…