Theses mystery elements are at the top of their families on the periodic table . An element C is likely to have which properties ? A. Two valence electrons B. Six valence electrons , gas , non metals C. Six valence electrons , solid nonmetal. D. Two valence electrons , solid nonmetal. It's science

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a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.