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Questions and Answers
What type of ion do Group I elements form?
What type of ion do Group I elements form?
What charge do Sodium (Na) ions have?
What charge do Sodium (Na) ions have?
Which group of elements forms anions?
Which group of elements forms anions?
What type of ion does Fluorine (F) form?
What type of ion does Fluorine (F) form?
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How is the charge of an ion determined for non-metallic elements?
How is the charge of an ion determined for non-metallic elements?
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Study Notes
Ion Formation
- Metallic elements (Group I to III) form cations by losing valence electrons to achieve a stable electronic configuration.
- The charge of the cation is equal to the group number of the element: Group I elements form +1 ions.
- Examples of cations: Na+ (Sodium), K+ (Potassium).
Anion Formation
- Non-metallic elements (Group V to VII) form anions by gaining electrons to achieve a stable electronic configuration.
- The charge of the anion is defined by the number of electrons gained.
- Examples of anions: F- (Fluorine), Cl- (Chlorine), with a charge of -1.
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Description
Learn about the formation of cations and anions from metallic and non-metallic elements, respectively, and how they achieve stable electronic configurations.
