(A) Refer to the periodic table on the inside front cover, and arrange the following in the expected order of increasing first ionization energy Cl, K, Mg, S.

(B) Refer to the periodic table on the inside front cover, and determine which element is most likely in the middle position when the following five elements are arranged according to first ionization energy: Rb, As, Sb, Br, Sr.

Transcribed Image Text:

REIHEN 3 A W 1 2 Li=7 4 K 56 94 Gruppe 1 Gruppe 11 Gruppe III Gruppe IV Gruppe V Gruppe VI Gruppe VII RH²³ 3 2.5 R²3 7 9 10 12 M 6 Rb 85 R²0 - H=1 - 8 Cs 133 (-) (Au=199) (Cu=63) Na:23 =39 Ca=40 (Ag=108) - RO Be=94 Mg:24 Cd: 112 B =11 Ba=137 - Al: 273 Zn: 65 Sr=87 ?Yt=88 =44 -=68 RH RO² Di=138 C =12 Si: 28 Ti=48 N=14 P= 31 V = 51 Hg:200 Ti=204 Pb:207 Th=231 -= 72 Zr=90 Nb=94 As: 75 In = 113 Sn: 118 Sb: 122 ?Ce=140 RH² 2 RO³ Bi-208 O=16 S= 32 Cr=52 Se=78 Mo=96 Er=178 ?La-180 Ta=182 W =184 Te = 125 L U =240 RH R²O7 F =19 CI=355 Mr-55 Br=80 - =100 J=127 Gruppe VIII Fe=56, RO4 Ni:59 Co=59 Cu:63 Ru=104, Rh=104 Pd=106, Ag:108 Os=195, Ir =197 Pt: 198, Au 199