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Chemistry, 05.11.2020 17:50 mazolethrin5672

Señala cuál es el nombre y el símbolo de los elementos cuyas configuraciones son: a) 1s2 2s2 2p2 b) 1s2 2s2 2p2 3s2
c) 1s2 2s2 2p6 3s2 3p6
d) 1s2 2s2 2p6 3s2 3p6 4s2 3d1

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