ion
🇺🇸
/ˈaɪən/
🇬🇧
/ˈaɪən/
A tiny particle, either with a positive or negative charge, that comes from an atom or a molecule when it loses or gains one or more electrons.
The scientist explained that when an atom becomes an ion, it can either have a positive or negative charge.
当一个原子变成离子时,它可以带有正电荷或负电荷。