天气预报15天查询> 生活> 化合物乙烯有几个氢怎么看

化合物乙烯有几个氢怎么看

更新时间: 2021-01-21 00:36:28     

乙烯是由两个碳原子和四个氢原子组成的化合物,两个碳原子之间以双键连接。其化学分子式为:C2H4,结构简式为:CH2=CH2。根据乙烯的化学式可以看出乙烯分子包含4个H,而H就是表示氢原子,所以从化学式就可以看出乙烯含有4个氢原子。

关键词: 化合物 乙烯 怎么

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-1086417/ | 耗时:0.7218 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=1086417 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1086417 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1086417 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1063609,1091944,1121652,1122922,1123416,1108021,1121412,1110191,1132839,1118444,1108353,1119273,1123364,1111916,1122889,1106260,1084393,1117674,1104443,1062874,1090104,1106434,1101265,1090847,1103267,1118392,1106551,1078827,1108642,1087569) ORDER BY field (ArticleID,1063609,1091944,1121652,1122922,1123416,1108021,1121412,1110191,1132839,1118444,1108353,1119273,1123364,1111916,1122889,1106260,1084393,1117674,1104443,1062874,1090104,1106434,1101265,1090847,1103267,1118392,1106551,1078827,1108642,1087569)