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Binary Molecular Compounds

Binary Molecular Compounds. Binary Molecular Compounds. Binary molecular compounds are composed of two different nonmetals examples: CO, SO 2 , N 2 H 4 , P 4 Cl 10 These compounds are named by using a prefix to indicate the number of atoms of each element present (see table in notebook ).

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Binary Molecular Compounds

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  1. Binary Molecular Compounds

  2. Binary Molecular Compounds • Binary molecular compounds are composed of two different nonmetals • examples: CO, SO2, N2H4, P4Cl10 • These compounds are named by using a prefix to indicate the number of atoms of each element present (see table in notebook ).

  3. H2O Dihydrogen Monoxide

  4. The prefix mono- is often omitted especially when the first element would have the prefix mono- CO (example: CO is named carbon monoxide, not monocarbon monoxide).

  5. NF3 is nitrogen trifluoride N2O4 is dinitrogen tetroxide (Note: dropped an 'a') P4S10 is tetraphosphorous decasulfide Name the following compounds: NF3 N2O4 P4S10

  6. dichlorine heptaoxide is Cl2O7 carbon hexasulfide is CS6 octaphosphorous pentaoxide is P8O5 • Write formulas for the following compounds: • dichlorine heptaoxide • carbon hexasulfide • octaphosphorous pentaoxide

  7. Acids

  8. Acids • Acids are compounds that give off hydrogen ions, (H+) when dissolved in water. When a compound has hydrogen as its cation the substance is generally an acid • Examples: HCl, H2SO4, H3PO3 • The rules for naming acids are based on the anion portion of the acid formula.

  9. Rules for Naming Acids • The names of acids are based on the ending of the anion name. • Examples: HCl, H2SO4, H3PO3

  10. Rules for Naming Acids • The names of acids are based on the ending of the anion name. • Examples: HCl, H2SO4, H3PO3 • Cl‾ = chloride

  11. Rules for Naming Acids • The names of acids are based on the ending of the anion name. • Examples: HCl, H2SO4, H3PO3 • Cl‾ = chloride • SO42‾ = sulfate

  12. Rules for Naming Acids • The names of acids are based on the ending of the anion name. • Examples: HCl, H2SO4, H3PO3 • Cl‾ = chloride • SO42‾ = sulfate • PO33‾ = phophite

  13. Rules for Naming Acids

  14. Name the acids • HNO2 • HCN • H3PO4 nitrous acid hydrocyanic acid phosphoric acid

  15. Write formulas for the following acids • chromic acid • hydroiodic acid • chlorous acid H2CrO4 HI HClO2

  16. Homework • Do the 4 “HOMEWORK” (Not example) problems on the Binary Molecular Compounds and Acids note page. • Do these problems on your own paper. • Homework will be collected tomorrow.

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