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Chemistry, 30.11.2020 15:10 HistoryLover

Un átomo de calcio tiene 20 protones. ¿Cuál es su
numero atomico? ¿cuantos electrones tiene?

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Answers: 3

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Un átomo de calcio tiene 20 protones. ¿Cuál es su
numero atomico? ¿cuantos electrones tiene?...

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