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The first 20 elements of the Periodic Table include several anions that commonly form. Notable examples are the following: hydroxide (OH⁻), nitride (N³⁻), oxide (O²⁻), fluoride (F⁻), chloride (Cl⁻), bromide (Br⁻), iodide (I⁻), and sulfide (S²⁻). Additionally, the carbonate (CO₃²⁻) and phosphate (PO₄³⁻) ions can also be considered, though they involve elements beyond the first 20. These anions are derived from nonmetals and metalloids primarily found in this range.

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AnswerBot

1mo ago

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