Talk:The periodic table/Periodic Trends

Common Polyatomic Ions

-ate is positive while -ite is negative. The number of constants = oxygen number; the number of vowels = charge.

• NICK (Nitrate)
• the
• CREEPY (Chromate)
• CAMEL (Carbonate)
• -ATE
• CLAM (Chlorate)
• SUPPER (Sulfate)
• in
• PHOENIX (Phosphate)

Carbon

• Carbonate - CO₃^2-
• Hydrogen Carbonate - HC₃^-1

Nitrogen

• Nitrate - NO₃^-1
• Nitrite - NO₂^-1

Sulfur

• Sulfate - SO₄^2-
• Sulfite - SO₃^2-

• Thiosulfate - S₂O₃^2-
• Hydrogen sulfate (bisulfate) - HSO₄^-1
• Hydrogen sulfite (bisulfite) - HSO₃^-1

Chlorine

• Perchlorate - CIO₄^-1
• Chlorate - CIO₃^-1
• Chlorite - CIO₂^-1
• Hypochlorite - CIO^-1

Phosphorus

• Phosphate - PO₄^3-
• Phosphite - PO₃^3-
• Hydrogen Phosphate - HPO₄^2-
• Dihydrogen phosphate - H₂PO₄^-1

Oxygen

• Hydroxide - OH^-1
• Peroxide - O₂^2-

Organics

• Acetate - C₂H₃O₂^-1
• Oxalate - C₂O₄^2-

Cyanide

• Cyanide - CN^-1
• Cyanate - OCN^-1
• Thiocyanate - SCN^-1

Cations

• Ammonium - NH4⁺
• Hydronium - H₃O⁺
• Mercury - Hg₂²⁺

Metal Oxyanions

• Chromate - CrO₄^2-
• Dichromate - Cr₂O₇^2-
• Permanganate - MnO₄^-1

See also

• https://quizlet.com/242300278/common-polyatomic-ions-and-periodic-trends-vest-quiz-flash-cards/