For these elements, the symbol usually refers to an older name that isn't used anymore. History of the Abbreviations There are eleven element abbreviations that don't seem to match their modern names. Those are subtle reminders of thehistory of the Periodic Tableand the process of the discover...
"Iron: Metallic chemical element, one of the transition elements, chemical symbol Fe, atomic number 26." 铁:金属化学元素,为过渡元素的一种,化学符号Fe,原子序数26。 "Tungsten (or wolfram): Metallic chemical element, one of the transition elements, chemical symbol W, atomic number 74." ...
The element's chemical symbol is taken from the German name rather than the Swedish name. Physical properties Tungsten is a hard brittle solid whose color ranges from steel-gray to nearly white. Its melting point is the highest of any metal, 3,410°C (6,170°F) and its boiling point...
7."Iron: Metallic chemical element, one of the transition elements, chemical symbol Fe, atomic number 26."铁:金属化学元素,为过渡元素的一种,化学符号Fe,原子序数26。 8."Tungsten (or wolfram): Metallic chemical element, one of the transition elements, chemical symbol W, atomic number 74."钨:...
6."Iron: Metallic chemical element, one of the transition elements, chemical symbol Fe, atomic number 26."铁:金属化学元素,为过渡元素的一种,化学符号Fe,原子序数26。 7."Tungsten (or wolfram): Metallic chemical element, one of the transition elements, chemical symbol W, atomic number 74."钨:...
合金元素符号(Alloy element symbol).doc,合金元素符号(Alloy element symbol) Brief introduction to the representation methods of metallic materials in China (GB) 1 China (GB) iron and steel grades, methods of presentation 1.1 international (GB) iron and
Tungsten Existing coins with new Encapsulations Gases Alkali Metals Boron and Carbon The Rest The current offered collection (Click on any photo to view a larger image): Typical Obverse Reverse Common to All Coins Regular-Issue Element Series Coins: ...
3.Tungsten (or wolfram): Metallic chemical element, one of the transition elements, chemical symbol W , atomic number 74. 钨:金属化学元素,过渡元素之一,化学符号w,原子序数74。 英文解释 n. 1.any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated int...
The symbol O_ul(3) denotes the pixel value in the third direction of the upper left pixel arrays of the pixel array 104 in question. The symbols O_u(3) and O_u(4) individually denote the pixel values in the third and fourth directions of the upper pixel arrays of the pixel array ...
化学用词 element 元素 body 物体 compound 化合物 atom 原子 gram atom 克原子 atomic weight 原子量 atomic number 原子数 atomic mass 原子质量 molecule 分子 electrolyte 电解质 ion 离子 anion 阴离子 cation 阳离子 electron 电子 isotope 同位素 isomer 同分异物现象 polymer 聚合物 symbol 复合 radical 基 ...