Wordksheet 2 answers

Wordksheet 2 answers - WORKSHEET 2 — Atoms, Molecules and...

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Unformatted text preview: WORKSHEET 2 — Atoms, Molecules and Names Worksheet 2 - Atoms, Molecules andtheir Names You must memorize the names and charges in tables 2.3~2.8. Use your Periodic Table to answer the following questions. 1. What is the name of each of the following Groups? Maw! Groupl I'M/{‘15 _. Grout) vuw‘ MW Group“ m Grouleilm WM’a The Group in the middle '01 Who MP6:— 2. The Period ‘3 Halogen is (Wt/W J a, The Period 2 Alkaline Earth Metal is Ewi'U/Lnl Be. The Period 5 Noble gas is lit/um») , kc . The Period 6 Alkali Metal is. CC 54 CS. The lightest Transition Metal is SKMM/rméa , SC. '3. Using the Periodic Table, fill in the missing information in the chart, below. Symbol atomic mass protons I neutrons electrons 1 charge W 1.84 74 j H0 7 , L1 2+ 3r 90 35 g . 45. . _ 35' | 0 l M 197 _ _ 19 _? 118 Z 78 1+ 1. To . 128 ’ 52 3“ _ .54. _ 3- 4. Which is more abundant, 7“2Ge or 73Ge, assuming that these are its only two isotopes? Col-mud MASS = 1.2. 5-9. down -h 43 75mm 72, some {Jaw/$1 ($0 117% w' mm: amok/wt 5. In nature, 20.3% of Boron exists as Boron-10 and the remainder is Boron-11.What is the average atomic mass of Boron? [,203x103)+{.?97 x/lg): lama, Page 1 WORKSHEET 2 — Atoms, Molecules and Names 6. Fill in the charts below with the names and formulas of ionic compounds, formed by reactions between metale and non—metals. ...T Formula _ _ i Name _ i Ca(OH)2 _ , (Maia/m [dz _ :C320 i W'wm mica _ _ #9233 __ {VMZED §H2303 . 455/ COP (LU) pAVOSp/ofza I. Name : Formuia__ _ ' ' ' istrontium nitride 1 SY; Na. Etin(lV) oxide 1 $400; _ _ cobait(lll) carbonate [0 7, ([03 )3 aluminum perchlorate AH (00¢) 3 l magnesium nitrite 7 7 (4/01,)3, 7. Fill in the names of the following covalent compounds, formed between non—metals. Formula _ .. .. Nam? N2 ’4 [ham 7 - - “204 R‘h/O'xktc [ lam-mm Mme ’ HBr Exam/o Wanna a old” 1 NO I” I MMOX/«égr Page 2 WORKSHEET 2 » Atoms, Molecules and Names 8. Decide if each of the foilowing is ionic or covaient, and fill in the missing information. Narné _ I 1 Formu|a__ ionic or covalent f SF2 7 _ Can/W __ mercuryUl) phosphate __ (1904),, __ {-6144}, I ifyloi'wm _ Gas f _ [rt/but diphosphorus decachioride P7, a , 0 ‘ 1 carbon monoxide A C0 Cat/M 9. Decide what is wrong with the foilowing names, then give the correct name and formula. a Name Formula H ' I _ systematic net-me. I mm”? ltd; 1/ . _ 6-“ ‘ | hydrogen phosphate ; (“/3 '90" {Muffin/(C dad. 4m, . n g c M E sulfur oxide 1 (5 O . . 3 m “do? J J43 . . . . Kg; rabidlu/hq K1,” F“ m rubidium dlfluoride _ _ l 2' _ . _ _ i . Z ti $04 a mm (It) W’f’z‘i {Vino hm iron sulfate F; L /50¢)_5_ ‘le (IE) act/10114}! J M5 bariumui) nitrite 13A L’ 11/03,)1x WWW 6;. dam/3ng Page 3 ...
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This note was uploaded on 12/05/2011 for the course CHEM 231 taught by Professor Beck during the Spring '11 term at Indiana.

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Wordksheet 2 answers - WORKSHEET 2 — Atoms, Molecules and...

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