Chemistry, 15.04.2020 02:14, haftjnd9156
El átomo de un elemento incógnita X tiene 2 electrones en n = 1; 8 electrones en n = 2; 8 electrones en n = 3 y 1 electrón en n = 4. Indicar para ese elemento: grupo, periodo, número de electrones y protones. Use la regla de las diagonales
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El átomo de un elemento incógnita X tiene 2 electrones en n = 1; 8 electrones en n = 2; 8 electrones...
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