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Chem127Fall2009Lecture Note_-09_8_09

Chem127Fall2009Lecture Note_-09_8_09 - 14 4A 17 7A 13 3A 15...

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Unformatted text preview: 14 4A 17 7A 13 3A 15 SA 16 6A The l:-.~ 13 steep designation has been mum by the [naemationa] Union of Pure and- Appljed Chemistry ([UPAC) but 13 not yet in wide use. In this text we use {he standard U. S notalien for amp miners (IA—8A and 13—813). No names have been assigned for elements 111— 115. Elements 116—113 have not yet been syndzmized. 4 the Pedodic Tame of the Elements Figure 1-12- mfigfififm MeGWGm-npuiies Im. an imam” Number of Proteus Determines an Element’s Identity new-FmQ orl~oms Luau/6 9%.uCJ $2193 011‘ fwanoz/as anal Q/eCflLY/‘ems B Fri 5 63') C366) (3.)1366 iCQ®JHOe€D Outer (valence) electrons 2 electrons in the first shell 8 electrons in the second shell 2 subshells (2 + 6 electrons) 18 electrons in the third shell 3 subshells (2 + 6 + 10 electrons) Exam P {‘85 (I M N CI 9 1039 Jretr (Valeww) @652 C5 U‘cul‘evycez :35 7' VaQe/wé‘i a “t (a W 3 W‘c‘ 3M6” ( m M saw/0&4 ATP Isotopes 2 or more forms of the same element (same # of protons) whose atoms differ in the # of neutrons Exam/1PM AecfifiHw/w 03 , 1, 1H :6” + (9C, {5% {H L {6) [email protected] @619 b® 4;; LCD :3 Zia {66> Leg {4 Q ”Egg Z Q® l? e9 Lewis Structures H» ‘9,“ 2M0 w: Hv :0: Ozone Exists as a Pair of Resonance Structures ® E 6i O 69 . \ a O . a :0 \ 0% 6% 600// \aé‘; 0w 2’; ...
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