Physics, 04.12.2021 02:40 jmccrary2000

A neutral atom of potassium (K) has an average mass of 39 amu and 19 electrons. How many neutrons does it have? 10
19
20
58
Explain.

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A neutral atom of potassium (K) has an average mass of 39 amu and 19 electrons. How many neutrons do...