Question

What is an anion? Which of the given elements will from anions? Calcium, Chlorine, Potassium, Oxygen. Pls give in short answer.​

Answer 1

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Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur

Answer 2

Answer:

Anions are negative charge

Potassium and oxygen

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