…Periodic tableElement symbol = KAtomic number = 19Atomic weight = 39.0983Abundance in the earth's crust = 2.09% (8th place)Abundance ratio of stable nuclides39 K = 93.22%, 40 K = 0.0118%, 41 K = 6.77%Melting point = 63.5°CBoiling point = 774°CSpecific gravity of solid = 0.86 (20°C)Specific gravity of liquid = 0.83 (63°C)Electron configuration = [Ar]4s 1Major oxidation number = IOne of the alkali metal elements belonging to the IA group of the periodic table. The name potassium is a transliteration of the Latin kalium, which comes from the Arabic qāli, meaning ash, and is sometimes called Kalium in German and sometimes called kalium in English. … *Some of the terminology explanations that mention "kalium" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…周期表元素記号=K 原子番号=19原子量=39.0983地殻中の存在度=2.09%(8位)安定核種存在比 39K=93.22%,40K=0.0118%,41K=6.77%融点=63.5℃ 沸点=774℃固体の比重=0.86(20℃) 液体の比重=0.83(63℃)電子配置=[Ar]4s1 おもな酸化数=I周期表第IA族に属するアルカリ金属元素の一つ。カリウムという名称は灰を意味するアラビア語qāliに由来するラテン語kaliumの音訳で,ドイツ語ではそのままKaliumであり,英語でもときにkaliumという場合がある。… ※「kalium」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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