Ions - Polyatomic and common single Retake

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Orthosilicate

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SiO₄⁴⁻ - A polyatomic ion consisting of one silicon atom surrounded by four oxygen atoms, commonly found in silicate minerals.

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Chromate

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CrO₄²⁻ - A polyatomic ion containing chromium and oxygen, often used in various chemical reactions and industrial processes.

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Lithium ion

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Li⁺ - A positively charged ion of lithium, commonly used in batteries and various chemical applications.

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Permanganate

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MnO₄⁻ - A polyatomic ion with one manganese atom and four oxygen atoms, known for its strong oxidizing properties.

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Sodium ion

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Na⁺ - A positively charged ion of sodium, essential for various biological functions and commonly found in table salt.

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Definition of Polyatomic Ion

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An ion composed of two or more atoms bonded together, which can carry a positive or negative charge.

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Common Polyatomic Ions

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Examples include sulfate (SO₄²⁻), nitrate (NO₃⁻), and phosphate (PO₄³⁻).

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Charge of Lithium Ion

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Li⁺ has a charge of +1, indicating it has lost one electron.

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Charge of Sodium Ion

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Na⁺ has a charge of +1, indicating it has lost one electron.

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Structure of Chromate Ion

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Chromate (CrO₄²⁻) has a tetrahedral structure with one chromium atom at the center and four oxygen atoms at the corners.