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- 2-91 These are the first two ionization energy for lithium: Li(g) Li+(g) + e-(g) Ionization energy = 523 kJ/mol Li+(g) Li2+(g) + e-(g) Ionization energy = 7298 kJ/mol (a) Explain the large increase in ionization energy that occurs for the removal of the second electron. (b) The radius of Li is 78 pm (1 pm = 10-12 m) while that of a lithium atom, Li, is 152 pm. Exp lain why the radius of Li is so much smaller than the radius of Li.Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size. atoms or ions 2- Se, Se, Br F, CI, CI S, Al, P Explanation atoms or ions in order of decreasing size 0.0.0 0.0.0 0.0.0 Check X 00 G Ⓒ2022 MCGIDw Mill LLC. All Rights Reserved. Terms of UseThe first five ionization energies (IE, through IE) of a Period 6 element have the following pattern: IIII IE₁ IE₂ IE3 IE4 IE5 Make a reasonable guess about which element this is. Enter its chemical symbol below. 0 X Ś alo 18 Ar
- Part A Which element has the most exothermic electron affinity? Ва Te Cs O Xe Submit Reguest Answer • Part B Which element has the least exothermic electron affinity? Ba Te Sn Cs Submit Reguest Answer O O70°F Mostly cloudy Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size. atoms or ions Be, B, B F.F, Ne F, CL, CI Explanation atoms or ions in order of decreasing size 0.0.0 0.0.0 0.0.0 Check O Search X S k Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Terms of Use Priveelectron configuration of atoms 10 1 [G]ns of mdnp 10 [G]ns md¹0np5 2 [G]ns²mf¹² 12 blocks U P S location of elements (check all that apply) P [] P metals or nonmetals? x metals nonmetals metalloids metals nonmetals metalloids metals nonmetals metalloids 3
- esc Question 10 Place the following in order of decreasing metallic character. P As K OK> P > As As > K> P O As > P> K OP > As > K OK > As > P ! 1 0 F1 Q 2 F2 W #3 80 F3 C $ 4 F4 C % сторо 5 9 KO અ F5 Mach (O 6Which of the following choices has the ions in order of decreasing size? Br", Rb+, Se2- Rb+, Se?-, Br Rb+, Br", Se2- Se2", Br", Rb+ Br, Se?-, Rb+HCc Dashboar Buy Essay X G find some x © Periodic T x A ALEKS - J x Huc Chapter 5 x G convert C X A www-awn.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IQİHQRDYV 6Ux63SypJXz0Coxvwqgg4JkWI74Meq7fCi1Pjl.. ☆ O GASES Solving for a gaseous reactant Jacqueline v eh DO The airbags that protect people in car crashes are inflated by the extremely rapid decomposition of sodium azide, which produces large volumes of nitrogen gas. e - obl dind e mi 1. Write a balanced chemical equation, including physical state symbols, for the aal E blox robl ual B up on decomposition of solid sodium azide (NaN,) into solid sodium and gaseous dinitrogen. nage pleid.a ur App count 2. Suppose 82.0 L of gas are produced by this reaction, at a temperature of 12.0 °C and pressure of exactly 1 atm. Calculate the mass of sodium azide that must have reacted. Round your answer to 3 significant digits. 回山回
- Deducing the block of an element from an electron configuration electron configuration of atoms [G]ns² 10 [G]ns mf¹0 [G]ns² np location of elements (check all that apply) blocks OS OP Od Of Os Op Od Of OS OP Od Of metals or nonmetals? 0 metals nonmetals metalloids metals nonmetals metalloids metals nonmetals metalloids¥ Question Completion Sta QUESTION 14 Put the following in order of increasing atomic radii: Cu, Ba, N, Si Oa. Ba, Cu, Si, N Ob. Cu, Ba, Si, N OC. N, Si, Cu, Ba Od. N, Cu, Si, Ba QUESTION 15Review earlier notes and complete the table below for the given elements: ATOMIC # BLOCK PERIOD NUMBE R 2nd GROUP NUMBER NUMBER OF FAMILY ΝΑΜΕ? ELECTRON CONFIGURATION TYPE VALENCE ELECTRONS 1s(2), 2s(2), 2p(5) P block 17th Halogen 9 1s(2), 2s(2), 2p(6), 3§(2), 3p(5) P block 3rd 17th Halogen 17 1s(2),2s(2), 4s(6), 3s(2),3p(6), 5s(2) S block 2nd 4th Alkaline earth metals 20 27 33 37 56