天气预报 > 其他 > 白磷稳定还是红磷稳定呀
白磷稳定还是红磷稳定呀
更新时间: 2020-07-11 00:00:00  

白磷和红磷是磷的两种同素异形体。

白磷是白色或浅黄色半透明性固体。质软,冷时性脆,见光色变深。暴露空气中在暗处产生绿色磷光和白烟。在湿空气中约40度着火,在干燥空气中则稍高。

红磷是紫红或略带棕色的无定形粉末,有光泽。密度2、34g每立方厘米,加热升华,但在4300KPa压强下加热至590度可熔融。

关键词: 白磷 稳定 还是 红磷

白磷稳定还是红磷稳定呀相关经验

天气预报

最新推荐

页面:/news/view-1947154/ | 耗时:0.5074 s | 内存:2.11 MB | 查询:4 | 缓存读取:3 写入:0 | 加载文件:25
select * from tbl_Articles WHERE ArticleID=1947154 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=1947154 LIMIT 0,1
select * from tbl_Articles_sphinx where id=1947154 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(148661,139869,1087599,2568728,1397192,607237,1302026,139786,2439764,139006,1290550,3380022,145482,1082974,808373,1858657,116667,145660,136931,111472,2932839,269493,1583182,2424468,141537,1995037,2016876,152543,2857908,1451378) ORDER BY field (ArticleID,148661,139869,1087599,2568728,1397192,607237,1302026,139786,2439764,139006,1290550,3380022,145482,1082974,808373,1858657,116667,145660,136931,111472,2932839,269493,1583182,2424468,141537,1995037,2016876,152543,2857908,1451378)