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7 September, 04:41

A less common type of radioactive particle emitted is the positron. If potassium-38 forms argon-38 by positron emission, the number of a positron is and the charge is

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  1. 7 September, 05:40
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    Potassium goes to argon so that a proton in the K nucleus "vanishes" into a positron (positive electron?) but keeps the same atomic mass at 38.? I'd say that the number of the positron was 0, and the charge was + 1 electronic charge.
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