06-01-2019
Physics

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Why is the atomic mass usually given as an average (and a decimal)?

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osprey2015 osprey2015

06-01-2019

elements exist as isotopes. hydrogen has mostly 1 proton in the nucleus. but deuterium is also hydrogen with 1 neutron, tritium is also hydrogen with two neutrons. the average takes into account the element and its isotopes

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