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Quiz: Feb 4, 2005

Write the names and formulas for the ionic compounds formed by these ions: Cu 1+ and S 2- Cu 2+ and S 2- Al 3+ and P 3- Al 3+ and NO 3 1- Co(OH) 2 = cobalt (__) hydroxide. copper (I) sulfide = Cu 2 S copper (II) sulfide = CuS aluminum phosphide = AlP

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Quiz: Feb 4, 2005

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  1. Write the names and formulas for the ionic compounds formed by these ions: Cu1+ and S2- Cu2+ and S2- Al3+ and P3- Al3+ and NO31- Co(OH)2 = cobalt (__) hydroxide copper (I) sulfide = Cu2S copper (II) sulfide = CuS aluminum phosphide = AlP aluminum nitrate = Al(NO3)3 cobalt (II) hydroxide Quiz: Feb 4, 2005 phosphide = P3- sulfide = S2- http://www.cnn.com/2003/US/02/10/sprj.bhm.innovators/ George Washington Carver 10 zillion things to do with peanuts

  2. Use roman numerals in the name when the transition metal has more than one possible charge: Fe2+, Fe3+, Mn2+, Mn3+, Mn4+, Mn7+, Cu1+,…

  3. Name the following: CuCl, CuCl2; MnO2, Hg2I2, Fe2 (CrO4)3, PbSO4, FeO, Fe2O3, SnBr2, SnBr4, HgO, NiBr3

  4. CuCl CuCl2 MnO2 Hg2I2 Fe2 (CrO4)3 PbSO4 FeO Fe2O3 SnBr2 SnBr4 HgO NiBr3 copper (I) chloride copper (II) chloride manganese (IV) oxide mercury (I) iodide iron (III) chromate lead (II) sulfate iron (II) oxide iron (III) oxide tin (II) bromide tin (IV) bromide mercury (II) oxide nickel (III) bromide Naming ionic compounds containing polyvalent cations. Cl1- Cu? Cl1- O2- Mn? O2- Hg? I1- Hg? I1- CrO42- Fe? CrO42- Fe? CrO42-

  5. NiCl NiCl2 CrS2 Hg2F2 Mn2 (CrO4)3 MnSO4 PbO PbO2 SnF2 SnS2 Hg3(PO4)2 NiBr2 nickel (I) chloride nickel (II) chloride chromium (IV) sulfide mercury (I) fluoride manganese (III) chromate manganese (II) sulfate lead (II) oxide lead (IV) oxide tin (II) fluoride tin (IV) sulfide mercury (II) phosphate nickel (II) bromide Naming ionic compounds containing polyvalent cations. Cl1- Ni? Cl1- S2- Cr? S2- Hg? F1- Hg? F1- CrO42- Mn? CrO42- Mn? CrO42-

  6. Writing Formulas potassium fluoride ammonium sulfate magnesium iodide copper (II) sulfite …. K+ and F- K F NH4+ and SO42- (NH4)2SO4 Mg I2 Mg2+ and I 1- Cu2+ and SO32- CuSO3

  7. O 3- O P O O 1- N O O C N N O O 1- 1- O O O O C C 1- 1- O O H H AlPO4 Ag1+ • Aluminum phosphate • lead (II) nitrite • cobalt (II) selenide • silver cyanide • copper II bicarbonate Al3+ Pb(NO2)2 Pb2+ CoSe Cu2+ AgCN Cu(HCO3)2

  8. Covalent Compounds form when two nonmetals and/or a metalloid and a nonmetal bond

  9. To name covalent compounds • Covalent compounds are composed of two or more nonmetals which share electrons. (Some metalloids are covalently bonded as well). • USE PREFIXES mono = 1 penta = 5 di = 2 hexa = 6 tri = 3 hepta = 7 tetra = 4 octa = 8

  10. Naming covalent compounds mono = 1 penta = 5 di = 2 hexa = 6 tri = 3 hepta = 7 tetra = 4 octa = 8 • CO2 • CO • P2O5 http://misterguch.brinkster.net/covalentcompounds.html click above for more information about covalent compounds • carbon dioxide • carbon monoxide • diphosphorous pentoxide Try SF6 sulfur hexafluoride prefix of less electronegative atom (n ≠ 1), prefix of second atom– ending ide

  11. Naming covalent compounds SbBr3 • antimony tribromide • hexaboron (mono)silicide • chlorine dioxide • iodine pentafluoride • …. B6Si ClO2 I F5 more examples

  12. P4S5 O2 SeF6 Si2Br6 SCl4 … tetraphosphorous pentasulfide oxygen selenium hexafluoride disilicon hexabromide sulfur tetra chloride Writing Formulas for covalent compounds CH4 methane, is an exception because it is an ORGANIC compound.

  13. Naming Organic Compounds meth = 1 eth = 2 prop = 3 but = 4 pent = 5 hex = 6 hept = 7 oct = 8 non = 9 … • Organic compounds have one or more carbons, surrounded with hydrogens. • They may have double or triple bonds, and may include oxygen, or other atoms. • They are named by counting the “carbon backbone” and applying a prefix • “Functional Groups” provide the rest of the name.

  14. Naming Organic Compounds meth = 1 eth = 2 prop = 3 but = 4 pent = 5 hex = 6 hept = 7 oct = 8 non = 9 … • Butane = 4 carbons • CH3CH2CH2CH3 • Heptane = 7 carbons • CH3CH2CH2CH2CH2CH2CH3 • Octane = 8 carbons • CH3CH2CH2CH2CH2CH2CH2CH3

  15. 13 c page 178 6 hydrogen atoms 3 carbon atoms

  16. 13 f page 178 6 carbon atoms 12 hydrogen atoms http://jchemed.chem.wisc.edu/JCESoft/CCA/CCA5/MAIN/1ORGANIC/ORG02/TRAM02/E/NOMOVIE/MISC.HTM

  17. Molecular and Empirical Formulas. • Molecular: adj. Pertaining to, consisting of, caused by, or existing between molecules. • Empirical: adj. 1. Relying upon or derived from observation or experiment. 2. Guided by practical experience and not theory, especially in medicine. • Formula: n 1. an established form of words for use in a ceremony or procedure. 3. Chemistry: a. a symbolic representation of the composition or of the composition and structure of a chemical compound. b. The chemical compound so represented. c. A prescription in exact proportion: recipe.

  18. C6H12O6 H2O2 CH2O HO Molecular and Empirical Formulas

  19. Coefficients: How many sets of a particular compound/element • 2 C6H12

  20. Coefficients: How many sets of a particular compound/element • 5 C6H12

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