ion
US /ˈaɪ.ɑːn/
UK /ˈaɪ.ɒn/
名詞
離子
an atom or molecule with an electric charge due to the loss or gain of one or more electrons
範例:
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Sodium chloride dissolves in water to form sodium ions and chloride ions.
氯化鈉溶於水形成鈉離子和氯離子。
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Positive ions are called cations, and negative ions are called anions.
正離子稱為陽離子，負離子稱為陰離子。