Physics, 23.10.2019 20:30 ash34321

Atomos neutros de um certo elemento representativo m apresentam dois elétrons em sua camada de valência. as fórmulas corretas para seu óxido normal e brometo são, respectivamente: (dados: o = 6a e br = 7a) a) m20 e mbr. b) mo2 e mbr2. c) mo e mbr2. d) m2o2 e m2br.

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Atomos neutros de um certo elemento representativo m apresentam dois elétrons em sua camada de valên...