Gamma uranium

Japanese: γウラン - がんまうらん
Gamma uranium

…Periodic table element symbol = U Atomic number = 92 Atomic weight = 238.0289 Abundance in the earth's crust = 2.7 ppm (47th place) Stable nuclide abundance ratio 234 U = 0.0057%, 235 U = 0.7196%, 238 U = 99.276% Melting point = 1133°C Boiling point = 3818°C Specific gravity = 19.050 (α-uranium), 18.11 (β-uranium, 720°C), 18.06 (γ-uranium, 805°C) Electron configuration = [Rn]5f 3 6d 1 7s 2 Main oxidation numbers = II, III, IV, V, VI An important naturally occurring radioactive element, one of the actinides belonging to the IIIA group of the periodic table. The Japanese name uranium is a colloquial name. …

*Some of the terminology explanations that mention "gamma uranium" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…周期表元素記号=U 原子番号=92原子量=238.0289地殻中の存在度=2.7ppm(47位)安定核種存在比 234U=0.0057%,235U=0.7196%,238U=99.276%融点=1133℃ 沸点=3818℃比重=19.050(α‐ウラン),18.11(β‐ウラン,720℃),18.06(γ‐ウラン,805℃)電子配置=[Rn]5f36d17s2おもな酸化数=II,III,IV,V,VI天然に存在する重要な放射性元素で,周期表第IIIA族に属するアクチノイドの一つ。日本語名のウラニウムは俗称。…

※「γウラン」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

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