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Polyatomic Ions in General Chemistry

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Termini in questo insieme (20)

  • What is a polyatomic ion?

    A polyatomic ion is a charged species composed of two or more atoms covalently bonded that act as a single ion.

  • Name the polyatomic ion with formula \(\mathrm{NO_3^-}\).

    Nitrate ion.

  • What is the charge on the sulfate ion \(\mathrm{SO_4^{2-}}\)?

    The sulfate ion has a charge of 2-.

  • Formula and charge of the ammonium ion.

    Ammonium ion is \(\mathrm{NH_4^+}\) with a charge of 1+.

  • What polyatomic ion has the formula \(\mathrm{OH^-}\)?

    Hydroxide ion.

  • Name the ion \(\mathrm{CO_3^{2-}}\).

    Carbonate ion.

  • What is the formula for the phosphate ion?

    Phosphate ion is \(\mathrm{PO_4^{3-}}\).

  • Charge and formula of the acetate ion.

    Acetate ion is \(\mathrm{C_2H_3O_2^-}\) with a charge of 1-.

  • What polyatomic ion is \(\mathrm{NO_2^-}\)?

    Nitrite ion.

  • Formula and charge of the cyanide ion.

    Cyanide ion is \(\mathrm{CN^-}\) with a charge of 1-.

  • What is the formula for the chlorate ion?

    Chlorate ion is \(\mathrm{ClO_3^-}\).

  • Name the ion \(\mathrm{SO_3^{2-}}\).

    Sulfite ion.

  • What is the charge on the permanganate ion \(\mathrm{MnO_4^-}\)?

    The permanganate ion has a charge of 1-.

  • Formula and charge of the bicarbonate ion.

    Bicarbonate (or hydrogen carbonate) ion is \(\mathrm{HCO_3^-}\) with a charge of 1-.

  • What polyatomic ion has the formula \(\mathrm{Cr_2O_7^{2-}}\)?

    Dichromate ion.

  • Name the ion \(\mathrm{ClO^-}\).

    Hypochlorite ion.

  • What is the formula for the peroxide ion?

    Peroxide ion is \(\mathrm{O_2^{2-}}\).

  • Formula and charge of the thiosulfate ion.

    Thiosulfate ion is \(\mathrm{S_2O_3^{2-}}\) with a charge of 2-.

  • What polyatomic ion is \(\mathrm{NO_3^-}\) commonly used for in chemistry?

    Nitrate ion is commonly found in fertilizers and explosives.

  • How do you recognize a polyatomic ion in a chemical formula?

    Look for a group of atoms enclosed in parentheses with a charge outside, indicating a polyatomic ion.