Un átomo de calcio tiene 20 protones. ¿Cuál es su
numero atomico? ¿cuantos electrones tiene?...
Chemistry, 30.11.2020 15:10 HistoryLover
Un átomo de calcio tiene 20 protones. ¿Cuál es su
numero atomico? ¿cuantos electrones tiene?
Answers: 3
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