chiu152_aut07_q5_key - Name: KEY Section: ALL TA: Quiz #5...

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Unformatted text preview: Name: KEY Section: ALL TA: Quiz #5 (l) (3 pt) Which of the following elements forms the most ionic bond with chlorine? ‘ (2) (3 pt) Which of the following has the smallest radius? a) SeZ- b) Br‘ c) Kr d) Rb+ 3 no Ca (3) (3 pt) In which case is the bond polarity incorrect? a) 5+H—F5- . b) 5+K~05' c) 5+Mg~H5' e) 5+Si—s5- (4) (6 pt) Use the expression for the Coulomb potential energy to calculate the energy for formation of 1 mole of rubidium chloride ion-pairs, i.e., the energy change for the following reaction: Rb+(g) + C1—(g) -> RUG—(g) Use r12: 330 pm (1pm = 10'12 m). [ Hint: V = QIQZ/ 411180r = 2.31 x 10'19 J nm (Qle/ r) ] +3 'no 9.6,. b) Al c) P d) Kr e) Br 43' no (DIM ,aa , on V“ fiflBVD “‘34 3‘25 1 . o _ , -16: ‘ (c1‘Q2 r, .. :Qstxlo Jm f. y We («13643 ' :2‘3\%l0~183‘m (m :~~7oo Mama“ «50¢ 1 Made ’1' l (SF/WRGAL anSwer o f {£91223} molar—ML. (-_ 7' 00x ‘0“ q§)"(é . 02 x [Cg-leym/oiz) +3. KA/ryxole, GflSWCK‘ 1 ._._—— Alkali metals Periodic Table of the Elements Nobie Aikafine . 331595 I earth metals Halogcns 18 m 33 7 3 Transition metals 65 ; Gd 3 Tb ; Dy 357.1 158.9 E 162.5 *Lanfllanides “z\ctinides i i l l i z i 1 § l I ; ...
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chiu152_aut07_q5_key - Name: KEY Section: ALL TA: Quiz #5...

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