二甲基汞,化学式(CH3)2Hg,是一种含汞有机化合物.易挥发,易燃,剧毒.亦是已知最危险的有机汞化合物,对胎儿的神经系统、智商和记忆等有危害,数微升即可致死.二甲基汞能渗过乳胶,溶解橡胶和生胶.美国达特茅斯学院的Karen Wetterhahn毒物化学教授,因在实验中不慎将二甲基汞洒在手上,二甲基汞渗过她戴着的...
百度试题 题目二甲基汞((CH3)2Hg),分子中的C—Hg键主要表现出()键的性质 相关知识点: 试题来源: 解析 共价键 反馈 收藏
A highly volatile and toxic mercury species, (CH_3)_2Hg, was found in a newly opened 4 L methanol reagent bottle. The compound was identified using three technically independent methods, independent standards, and quantified to be 75 mu g/L (as Hg in (CH_3)_2Hg). Some commonly used ...
填空题二甲基汞((CH3)2Hg),分子中的C—Hg键主要表现出()键的性质 参考答案:离子 您可能感兴趣的试卷
Quick conversion chart of moles CH3HgCH3 to grams1 moles CH3HgCH3 to grams = 230.65904 grams2 moles CH3HgCH3 to grams = 461.31808 grams3 moles CH3HgCH3 to grams = 691.97712 grams4 moles CH3HgCH3 to grams = 922.63616 grams5 moles CH3HgCH3 to grams = 1153.2952 grams...
The oxidation number of C in H3CHgCH3 is -4. The oxidation number of Hg in H3CHgCH3 is +2. The oxidation number of H in H3CHgCH3 is +1. 元素Oxidation Number (Avg)AtomsCount电负性 C -4 -4 (×2) 2 2.6 Hg +2 +2 (×1) 1 2.0 H +1 +1 (×6) 6 2.2 🛠️ Calculate ...
为什么Hg2+与CH3Hg+在人体内能长期滞留?相关知识点: 试题来源: 解析 答:无机汞化合物在生物体内一般容易排泄。当汞与生物体内的高分子结合,形成稳定的有机汞络合物,就很难排出体外。甲基汞能与许多有机配位体基团结合,如-COOH、-NH2、-SH、-OH等。CH3Hg+除能被束缚到碱基上外,还能直接键合到核糖上去。所以甲基汞...
ch3hg是水生生物积累的各种直接依赖 翻译结果2复制译文编辑译文朗读译文返回顶部 通过水生的生物群可供聚积的 CH3Hg 直接是 依赖于各种 翻译结果3复制译文编辑译文朗读译文返回顶部 可用于通过水生生物积累的 CH3Hg 是直接依赖于各种 翻译结果4复制译文编辑译文朗读译文返回顶部 ch3英寸汞柱,可用于囤积的水生生物区系...
(CH3)2Hg、CH3HgCl2) methyl radicals CH3 1. The reaction between methyl radicals and carbon monoxide was studied by using the B3LYP/6-311G~(**)and QCISD(T)/6-311G~(**) single-point levels. 采用密度泛函B3LYP/6-311G**和QC ISD(T)/6-311G**方法计算研究了CH3。 更多例句>> 3) (...
百度试题 结果1 题目下列各种形态的汞化物,毒性最大的是___ A. Hg(CH3)2 B. HgO C. Hg D. Hg2Cl2 相关知识点: 试题来源: 解析 参考答案:A 反馈 收藏