Quiz: Feb 4, 2005 copper (I) sulfide = Cu2S copper (II) sulfide = CuS aluminum phosphide = AlP aluminum nitrate = Al(NO3)3 cobalt (II) hydroxide 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 Dr Mae Jemison Dr Mae Jemison was the first black woman to go into space, blasting into orbit aboard the Space Shuttle Endeavour on 1 September 1992. She was Science Mission Specialist and carried out research on bone cells. "I knew ever since I was a little girl that I wanted to go into space." Dr Bernard A Harris In 1993 Dr Bernard A Harris became the first African-American to walk in space. In February 1995 he was the Payload Commander on the first flight of a new joint Russian-American space programme. As the first African-American in space, Dr Harris said: "To be the first was great. But to me, it signifies that there would be many more behind me." http://www.sciencemuseum.org.uk/on-line/bhm/111.asp 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

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

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

Naming ionic compounds containing polyvalent cations. Cl1- Cu? Cl1- 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 O2- Mn? O2- Hg? I1- Hg? I1- CrO42- Fe? CrO42- Fe? CrO42-

Naming ionic compounds containing polyvalent cations. Cl1- Ni? Cl1- 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 S2- Cr? S2- Hg? F1- Hg? F1- CrO42- Mn? CrO42- Mn? CrO42-

potassium fluoride ammonium sulfate magnesium iodide 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

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

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

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

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

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

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

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.

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

13 c page 178 6 hydrogen atoms 3 carbon atoms

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

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.

Molecular and Empirical Formulas C6H12O6 H2O2 CH2O HO

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

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