... Periodic table Element symbol = Te Atomic number = 52 Atomic weight = 127.60 ± 3 Stable nuclide abundance ratio 120 Te = 0.089%, 122 Te = 2.46%, 123 Te = 0.87%, 124 Te = 4.61%, 125 Te = 6.99%, 126 Te = 18.71%, 128 Te = 31.79%, 130 Te = 34.49% Melting point = 449.8 ° C Boiling point = 1390 ° C Specific gravity = 6.236 (metal, 20 ° C), 6.24 (amorphous α type), 6.02 (amorphous β type) Electron configuration = [Kr] 4d 10 5s 2 5p 4 Main oxidation number = - II, IV, VI One of the oxygen group elements belonging to the VIB group of the periodic table. It was isolated from gold-bearing minerals by the German Franz Joseph Müller (1740-1825) in 1783, and identified by MH Klaproth in 1889. The English name comes from the Latin word tellus, which means earth. *Some of the terminology that mentions "Müller, FJ" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…周期表元素記号=Te 原子番号=52原子量=127.60±3安定核種存在比 120Te=0.089%,122Te=2.46%,123Te=0.87%,124Te=4.61%,125Te=6.99%,126Te=18.71%,128Te=31.79%,130Te=34.49%融点=449.8℃ 沸点=1390℃比重=6.236(金属,20℃),6.24(無定形α型),6.02(無定形β型)電子配置=[Kr]4d105s25p4おもな酸化数=-II,IV,VI周期表第VIB族に属する酸素族元素の一つ。1783年,ドイツのミュラーFranz Joseph Müller(1740‐1825)により含金鉱物から単離され,89年M.H.クラプロートによって確認された。英語名は大地を意味するラテン語tellusに由来する。… ※「Müller,F.J.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
>>: Müller, GF (English spelling) MullerGF
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