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Ion - Wikipedia A cation is something that moves down (Greek: κάτω, kato, meaning "down") and an anion is something that moves up (Greek: ἄνω, ano, meaning "up") They are so called because ions move toward the electrode of opposite charge
Cations and Anions - Ions | ChemTalk A cation is an ion that has lost one or more electrons, giving a net positive charge Because one or more electrons are removed to form a cation, the cation of an atom is smaller than the neutral atom
7. 3: Cations - Chemistry LibreTexts Summary Cations are formed by the loss of one or two electrons from an element Groups 1 and 2 elements form cations Cations are named according to the pare nt element Cation charges are indicated with a superscript following the chemical symbol
Cation vs Anion: Definition, Chart and the Periodic Table What is a cation? A cation has more protons than electrons, consequently giving it a net positive charge For a cation to form, one or more electrons must be lost, typically pulled away by atoms with a stronger affinity for them
Cation - Properties, Symbols and Formation | CK-12 Foundation Cations Sodium loses an electron to become a cation Some elements lose one or more electrons in forming ions These ions are known as “ cations ” because they are positively charged and migrate toward the negative electrode (cathode) in an electrical field
Cation Definition and Examples - ThoughtCo The symbol for a cation is the element symbol or molecular formula, followed by a superscript of the charge The number of the charge is given first, followed by a plus symbol