Chemistry, 30.06.2019 19:00, ethannila

Aneutral atom of potassium (k) has an average mass of 39 amu and 19 electrons. how many neutrons does it have? a. 10 b. 19 c. 20 d. 58

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Aneutral atom of potassium (k) has an average mass of 39 amu and 19 electrons. how many neutrons doe...