Unit 1 – Day 6
Naming Acids
Acids
• Acids are ionic compounds where hydrogen is the positive ion.
• All acids must be dissolved in water to have acidic properties (corrosive, etc).
• They can bond with non-metals to make binary acids.
• They can bond with polyatomics to make oxy acids.
Binary Acids
• Binary acids involve bonding hydrogen ionically with a non-metal.
• They are named using a pattern.– Hydro______________ic acid
• Examples:• HCl – Hydrochloric acid• H2S – Hydrosulfuric acid
Oxy Acids
• Oxy acids involve bonding hydrogen ionically with a polyatomic ion.
• They are called oxy acids because the polyatomic ion contains oxygen.
• They are named using a pattern.– _____________________ic acid
• Examples:• HClO3 – Chloric Acid
• HNO3 – Nitric Acid
Writing Formulas for Acids
• Acids are ionic, so the criss cross rule applies.• Hydrogen always has a charge of +1.• The negative ion’s charge must be looked up.
• Example: Sulfuric acid.
• H SO4+1 -2
2
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