C5assySocjeli5 C5assySocjeli5

17-07-2016
Chemistry

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if an element has an atomic mass of 127 and an atomic number of 53, how many neutrons does it have? 74 127 53 75

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sreedavemuri18 sreedavemuri18

17-07-2016

74 is the answer u find it by subtracting the protons(atomic number) from atomic mas, so basically... 127-53 =74 neutrons

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