...Therefore, atoms with smaller ionization energy are more likely to become positive ions. When this is expressed in electron volts (eV), it is called the ionization potential or ionization voltage. The magnitude of an atom's ionization energy is governed by the electron configuration of its outermost shell and the effective nuclear charge, and is smaller for atoms of elements located on the left side of the periodic table and larger for atoms of elements located on the right side (alkali metal atoms are more likely to become positive ions, while atoms of halogens and rare gases are less likely to become positive ions). ... *Some of the terminology that mentions "ionization voltage" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…したがってイオン化エネルギーの小さな原子ほど陽イオンになりやすい。これを電子ボルトeV単位で表す場合には,イオン化ポテンシャルionization potentialあるいはイオン化電圧ionization voltageと呼ぶ。原子のイオン化エネルギーの大きさは,最外殻の電子配置と有効核荷電とによって支配され,周期表の左側に位置する元素の原子ほど小さく,右側に位置する元素の原子ほど大きくなる(アルカリ金属原子は陽イオンになりやすく,ハロゲンや希ガスの原子は陽イオンになりにくい)。… ※「ionization voltage」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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