Chapter 5 Section 1-3 Monatomic Ions of Various Charges and Polyatmoic Ions

Nomenclature Naming conventions still happen on ions like Zn^+2, even though this is the most common type of it, to avoid the clarity and uniformity of naming elements with multiple different charge possibilities.

Hydrogen Ion

H⁺

Lose 1 electron.

(Near the beginning of the periodic table on column 1 so makes sense they lose one!)

Sodium Ion

Na⁺

Loss 1 electron.

(Near the beginning of the periodic table on column 1 so makes sense they lose one!)

Potassium Ion

K⁺

Loss 1 electron.

(Near the beginning of the periodic table on column 1 so makes sense they lose one!)

Rubidium Ion

Rb⁺

Loss 1 electron.

(Near the beginning of the periodic table on column 1 so makes sense they lose one!)

Silver Ion

Ag⁺

Loss 1 electron.

Gold Ion

Au⁺

Loss 1 electron.

Magnesium (II) Ion

Mg⁺²

Loss 2 electrons.

(Near the beginning of the periodic table on column 2 so makes sense they lose two!)

Calcium (II) Ion

Ca⁺²

Loss 2 electrons.

(Near the beginning of the periodic table on column 2 so makes sense they lose two!)

Strontium (II) Ion

Sr⁺²

Loss 2 electrons.

(Near the beginning of the periodic table on column 2 so makes sense they lose two!)

Iron (II) Ion

Fe⁺²

Loss 2 electrons.

Cobalt (II) Ion

Co⁺²

Loss 2 electrons.

Nickel (II) Ion

Ni⁺²

Loss 2 electrons.

Copper (II) Ion

Cu⁺²

Loss 2 electrons.

Zinc (II) Ion

Zn⁺²

Loss 2 electrons.

Tin (II) Ion

Sn⁺²

Loss 2 electrons.

(Near the beginning of the “P” section in the periodic table on column 4 so makes sense they lose two!)

Mercury (II) Ion

Hg⁺²

Loss 2 electrons.

Lead (II) Ion

Pb⁺²

Loss 2 electrons.

(Near the beginning of the “P” section in the periodic table on column 4 so makes sense they lose two!)

Scandium (III) Ion

Sc⁺³

Loss 3 electrons.

Iron (III) Ion

Fe⁺³

Loss 3 electrons.

Cobalt (III) Ion

Co⁺³

Loss 3 electrons.

Nickel (III) Ion

Ni⁺³

Loss 3 electrons.

Gold (III) Ion

Au⁺³

Loss 3 electrons.

Aluminum (III) Ion

Al⁺³

Loss 3 electrons.

Chromium (III) Ion

Cr⁺³

Loss 3 electrons.

Titanium (IV) Ion

Ti⁺⁴

Loss 4 electrons.

Tin (IV) ion

Sn⁺⁴

Loss 4 electrons.

Lead (IV) Ion

Pb⁺⁴

Loss 4 electrons.

(Near the beginning of the “P” section in the periodic table on column 4 so makes sense they lose four to make an octet in this case!)

Fluoride Ion

F^-

Gained 1 electron.

(Near the end of the periodic table on column 7 so makes sense they gain one!)

Chloride Ion

Cl^-

Gained 1 electron.

(Near the end of the periodic table on column 7 so makes sense they gain one!)

Bromide Ion

Br^-

Gained 1 electron.

(Near the end of the periodic table on column 7 so makes sense they gain one!)

Iodide Ion

I^-

Gained 1 electron.

(Near the end of the periodic table on column 7 so makes sense they gain one!)

Oxide Ion

O^-2

Gained 2 electron.

(Near the end of the periodic table on column 6 so makes sense they gain two!)

Sulfide Ion

S^-2

Gained 2 electron.

(Near the end of the periodic table on column 6 so makes sense they gain two!)

Selenide Ion

Se^-2

Gained 2 electron.

(Near the end of the periodic table on column 6 so makes sense they gain two!)

Nitride Ion

N^-3

Gained 3 electron.

(Near the end of the periodic table on column 5 so makes sense they gain two!)

Phosphide Ion

P^-3

Gained 3 electron.

(Near the end of the periodic table on column 5 so makes sense they gain two!)

Ammonium

NH₄⁺

Acetate

C2H3O2^- (C₂H₃O₂^-) or CH3COO^- (CH₃COO^-)

Bicarbonate (Hydrogen Carbonate)

HCO₃^- (This is Hydrogen, Carbon, and Oxygen)

Bisulfate (Hydrogen Sulfate)

HSO₄^-

Carbonate

CO₃^-2

Chlorate

ClO₃^-

Chromate

CrO₄^-2

Cyanide

CN^-

Dichromate

Cr₂O₇^-2

Hydroxide

OH^-

Nitrate

NO₃^-

Nitrite

NO₂^-

Peroxide

O₂^-2

Perchlorate

ClO₄^-

Phosphate

PO₄^-3

Sulfate

SO₄^-2

Sulfite

SO₃^-2

Triiodide

I₃^-