michaelacollins763 michaelacollins763

28-09-2022
Chemistry

Answered

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Which of the following combinations of mass number and neutrons are possible as isotopes of astatine, 85At? Select all that apply.
Mass number = 210, Neutrons = 125
Mass number = 207, Neutrons = 122
Mass number = 209, Neutrons = 124
Mass number = 220, Neutrons = 134
Mass number = 211, Neutrons = 127

Answer :

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