Common Elements and Ions

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Flashcards defining common elements and polyatomic ions along with their symbols and formulas.

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44 Terms

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Hydrogen

Element with symbol H, atomic number 1.

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Helium

Element with symbol He, atomic number 2.

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Lithium

Element with symbol Li, atomic number 3.

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Beryllium

Element with symbol Be, atomic number 4.

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Boron

Element with symbol B, atomic number 5.

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Carbon

Element with symbol C, atomic number 6.

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Nitrogen

Element with symbol N, atomic number 7.

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Oxygen

Element with symbol O, atomic number 8.

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Fluorine

Element with symbol F, atomic number 9.

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Neon

Element with symbol Ne, atomic number 10.

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Sodium

Element with symbol Na, atomic number 11.

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Magnesium

Element with symbol Mg, atomic number 12.

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Aluminum

Element with symbol Al, atomic number 13.

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Silicon

Element with symbol Si, atomic number 14.

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Phosphorus

Element with symbol P, atomic number 15.

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Sulfur

Element with symbol S, atomic number 16.

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Chlorine

Element with symbol Cl, atomic number 17.

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Argon

Element with symbol Ar, atomic number 18.

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Potassium

Element with symbol K, atomic number 19.

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Calcium

Element with symbol Ca, atomic number 20.

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Iron

Element with symbol Fe, atomic number 26.

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Copper

Element with symbol Cu, atomic number 29.

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Zinc

Element with symbol Zn, atomic number 30.

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Silver

Element with symbol Ag, atomic number 47.

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Gold

Element with symbol Au, atomic number 79.

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Acetate

Ion with formula C₂H₃O₂⁻ or CH₃COO⁻.

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Ammonium

Ion with formula NH₄⁺.

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Carbonate

Ion with formula CO₃ ²⁻.

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Chlorate

Ion with formula ClO₃⁻.

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Chlorite

Ion with formula ClO₂⁻.

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Chromate

Ion with formula CrO₄ ²⁻.

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Cyanide

Ion with formula CN⁻.

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Dichromate

Ion with formula Cr₂O₇ ²⁻.

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Hydrogen Carbonate (Bicarbonate)

Ion with formula HCO₃⁻.

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Hydroxide

Ion with formula OH⁻.

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Hypochlorite

Ion with formula ClO⁻.

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Nitrate

Ion with formula NO₃⁻.

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Nitrite

Ion with formula NO₂⁻.

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Perchlorate

Ion with formula ClO₄⁻.

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Permanganate

Ion with formula MnO₄⁻.

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Phosphate

Ion with formula PO₄ ³⁻.

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Phosphite

Ion with formula PO₃ ³⁻.

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Sulfate

Ion with formula SO₄ ²⁻.

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Sulfite

Ion with formula SO₃ ²⁻.