atomic number 43是什么意思 atomic number 43在线翻译 atomic number 43什么意思 atomic number 43的意思 atomic number 43的翻译 atomic number 43的解释

atomic number 43

atomic number 43 双语例句

1. Periodic Table Ⅶ B family silver metallic luster of the solid metal transition to non-element, atomic number Z = 43, atomic weight of 981, 939, the chemical symbol Tc, there are 21 F radioisotope 90-11043Tc, very interesting is that the first discovery of Tc in Italy Perre Seoul and the United States Segre in 1937, when molybdenum bombarded with deuterium generated Tc, became the first man-made elements.
元素周期表ⅦB族银灰色金属光泽的固体金属过渡无素，原子序数Z＝43，原子量981939，化学符号Tc，有21种F放射性同位素90－11043Tc，很有趣的是首先发现锝的意大利佩列尔和美国的塞格雷在1937年用氘轰击钼时生成了锝，成为第一个人造元素。

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