Alpha Tin - Alpha Tin

Japanese: αスズ - あるふぁすず

…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 "alpha tin" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…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。…