百度试题 结果1 题目39 What is the oxidation number of carbon in carbon dioxide ?A BB a+2 相关知识点: 试题来源: 解析 A 反馈 收藏
Carbon is an integral element in organic compounds. All life forms contain compounds containing carbon. Carbon is located is the second row on the periodic table and in the 14th group.Answer and Explanation: The oxidation number of carbon is not a set value. A carbon atom has 6 electrons. ...
Most obvious is that electricity production is the main cause of environmental impact for externally chargeable vehicles. If, and only if, the charging electricity has very low emissions of fossil carbon, electric vehicles can reach their full potential in mitigating global warming. Consequently, it ...