Testling 5 Chem 1110-009
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This 4 page Study Guide was uploaded by Jennifer Notetaker on Monday September 28, 2015. The Study Guide belongs to Chem 1110-009 at Middle Tennessee State University taught by Amy Phelps in Summer 2015. Since its upload, it has received 43 views.
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Date Created: 09/28/15
l I H hydrogen 2 He helium 3 Li lithium 4 Be beryllium 5 B boron 6 C Carbon 7 N nitrogen 8 O oxygen 9 F uorine 10Ne neon 11Na sodium 12Mg magnesium 13Al aluminum 14Si silicon 15P phosphorus 165 sulfur 17C chlorine 18Ar argon 38 Sr strontium 47 Ag silver 50 Sn tin 53 iodine 56 Ba barium Testling 5 Periodic Table 19K potassium 20Ca calcium 21Sc scandium 22Ti titanium 23V vanadium 24Cr chromium 25Mn manganese 26Fe iron 27Co cobolt 28Ni nickel 29Cu copper 30Zn zinc 31Ga gallium 32Ge geranium 33As arsenic 34Se selenium 35Br bromine 36Kr krypton 79 Au gold 80 Hg mercury 82 Pb lead 92 U uranium NaCL sodium chloride LlCl lithium chloride MgCL2 magnesium chloride C02 carbon dioxide CCI4 carbon tetrachloride NazS sodium sul de MgO magnesium oxide AC3 aluminum chloride 502 sulfur dioxide N204 nitrogen tetraoxide FeC2 iron ll chloride CO carbon monoxide N02 nitrogen dioxide Fe203 iron lll oxide CuO copper ll oxide Cu2O copper l oxide Trends in formulas C2amp Cl3 chloride Tetra 4 Di 2 Mon 1 Roman numerals used on transition metals indicate charge Zinc always has a 2 charge Silver always has a 1 charge Oxygen always has a 392charge due to place on periodic table Left side of periodic table metal except H 6 columns on right non metal CuSO4 copper ll sulfate no charge 504 sulfate has charge of 392 amp Cu copper II has a charge of 2 RULES FOR NAMING BINARY COMPOUNDS 1 All end in ide a ide ending is af xed to a nonmetal 2 main group metals wnonmetal stay metal amp nonmetal wide 3 non metal wnon metal use pre x to count atoms in formula mono never use on rst element di 2 tri 3 tetra 4 e penta 5 4 roma numeral tells charge metals wmore than one charge wnon metal apem Polyatomic Ions more than one type of atom joined by a covalent bond bond where atoms share electrons equally stable 504392 sulfate 503392 sul te N031 nitrate N02391 nitrite Mn04391 permanganate PO4393 phosphate CIO3391 chlorate Cr04392 chromate C032 carbonate HCO3391 bicarbonate hydrogen carbonate C2H302391 CH3COO391 CH3C02391 acetate OH391 hydroxide H3O1 hydronium NH41 ammonium Algebraic formulas v frequency h Planck s constant 66261 x 103934 A wavelength lambda J 5 p momentum energy Ephoton m C speed Of light 29979 X 108 ms momentum p hA frequency v cA Aufbau Principle protons are added to the nucleus to build up the elements electrons are added rst to the lowest energy atomic orbitals available before they ll higher energy orbitals The name derives from aufbau in german which means building up This makes sense because it produces the lowest energy or most stable arrangement of the electrons in the atom Pauli Exclusion Principle two electrons cannot have the same set of quantum numbers simultaneously This principle determines the number of electrons that can occupy each orbital We have talked about three quantum numbers and there is a fourth mx called the spin quantum number which describes electron spin If two electrons spin in opposite directions 12 12 then they set up opposite magnetic elds which allows them to occupy the same orbital and share the same values for n land m1 Hund s Rule if multiple orbitals with the same energy are available then the unoccupied orbitals will be lled by electrons with the same spin before electrons with different spin pair up in occupied orbitals Electrons do not pair up until they have to because they repel each other and therefore want to stay as far apart as possible
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