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氢 - Wikipedia

来自 吴语维基百科

氢元素特性
- 氦
 


 
氢勒元素周期表里向个位置
总体特性
名称, 符号, 序号 氢、H、1
系列 非金属
族, 周期, 元素分区 1族, 1, s
密度、硬度 0.0899 kg/m3(273K)、NA
颜色、样子 无色
大气含量 10-4 %
地壳含量 0.88 %
原子属性
原子量 1.00794 原子量单位
原子半径 (计算值) 25(53)pm
共价半径 37 pm
范德华半径 120 pm
价电子排布 1s1
电子勒每个能级里向个排布 1
氧化价(氧化物) 1(两性)
晶体结构 六角形
物理属性
物质状态 气态
熔点 14.025 K (-259.125 °C)
沸点 20.268 K (-252.882 °C)
摩尔体积 11.42×10-6m3/mol
汽化热 0.44936 kJ/mol
熔化热 0.05868 kJ/mol
蒸气压 209 帕(23K)
声速 1270 m/s(293.15K)
别样性质
电负性 2.2(鲍林标度
比热 14304 J/(kg·K)
电导率 无数据
热导率 0.1815 W/(m·K)
电离能 1312 kJ/mol
最稳定个同位素
同位素 丰度 半衰期 衰变模式 衰变能量
MeV
衰变产物
1H 99.985 % 稳定
2H 0.015 % 稳定
3H 10-15 % /
人造
12.32年 β衰变 0.019 3He
4H 人造 9.93696×10-23 中子释放 2.910 3H
5H 人造 8.01930×10-23 中子释放 ? 4H
6H 人造 3.26500×10-22 三粒中子
释放
? 3H
7H 人造 无数据 中子释放? ? 6H?
核磁公振特性
1H 2H 3H
核自旋 1/2 1 1/2
灵敏度 1 0.00965 1.21
勒朆特别注明个辰光用
国际标准基准单位单位搭标准气温气压

,用化学符号表示成:H,伊是一种化学元素,原子序数是:1,排元素周期表浪个头一位。伊个原子是全部原子里向最小个。氢一般性个单质态是氢气(H2),呒颜色呒味道,肯烧来交关个双原子气体,氢气也是最轻个气体。伊勒宇宙当中含量最高。






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