…Periodic table element symbol = Sn Atomic number = 50 Atomic weight = 118.710 ± 7 Abundance in the earth's crust = 2 ppm (49th place) Stable nuclide abundance ratio 112 Sn = 0.95%, 114 Sn = 0.65%, 115 Sn = 0.34%, 116 Sn = 14.24%, 117 Sn = 7.57%, 118 Sn = 24.01%, 119 Sn = 8.58%, 120 Sn = 32.97%, 122 Sn = 4.71 %, 124 Sn = 5.98% Melting point = 231.97 ° C Boiling point = 2270 ° C Specific gravity = 5.80 (α-tin, 20 ° C), 7.28 (β-tin, 20 ° C), 6.5 (γ-tin) Electron configuration = [Kr] 4d 10 5s 2 5p 2Main oxidation numbers = II, IVA metallic element in group IVB of the periodic table. It has the largest number of stable isotopes of any element, with 10 from 112 Sn to 124 Sn, and about 20 radioisotopes (including metastable states) ranging from 108 Sn to 129 Sn. … *Some of the terminology that mentions "γ-tin" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…周期表元素記号=Sn 原子番号=50原子量=118.710±7地殻中の存在度=2ppm(49位)安定核種存在比 112Sn=0.95%,114Sn=0.65%,115Sn=0.34%,116Sn=14.24%,117Sn=7.57%,118Sn=24.01%,119Sn=8.58%,120Sn=32.97%,122Sn=4.71%,124Sn=5.98%融点=231.97℃ 沸点=2270℃比重=5.80(α‐スズ,20℃),7.28(β‐スズ,20℃),6.5(γ‐スズ)電子配置=[Kr]4d105s25p2 おもな酸化数=II,IV周期表第IVB族に属する金属元素の一つ。安定同位体の数では全元素中最も多く,112Snから124Snまで10種があり,また放射性同位体としては108Snから129Snにわたり約20種(準安定状態も含む)が知られている。… ※「γスズ」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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