Answer:
mass spectrometer
Explanation:
The masses of atoms and molecules can be measured using an instrument called mass spectrometer. This instrument can be used to also measure their relative concentrations. The mass spectrometer functions using the magnetic force that is applied on a charged particle that is in motion.
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Answer:
oxidation
Explanation:
the process or result of oxidizing or being oxidized.
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The answer should be 0.78
