With the aid of a periodic table (not Figure 9.15), arrange the following in order of increasing electronegativity:

a. Li, Na, Cs 

b. B, Be, Li 

c. S, Se, Cl

Transcribed Image Text:

Increasing electronegativity H 2.1 F N 4.0 C 3.5 B 3.0 Li Be 2.5 2.0 1.5 1.0 CI Al Si 3.0 Na Mg 2.1 2.5 1.5 1.8 0.9 1.2 Br Se V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Ti 2.4 2.8 K Ca 1.5 2.0 1.6 1.6 1.5 1.8 1.9 1.9 1.9 1.6 1.6 1.8 1.3 1.5 0.8 1.0 I Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te Sr Y Zr 2.5 Rb 1.8 1.9 2.2 2.2 2.2 1.9 1.8 1.9 2.1 1.6 1.7 1.7 0.8 1.0 1.2 1.4 Re Os Ir Pt Au TI Pb Bi Po At Hf Ta Hg Cs Ba 2.2 2.2 2.2 2.4 1.9 2.0 2.2 1.7 1.9 1.9 1.8 1.9 1.3 1.5 0.7 0.9 Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Uut F1 Uup Lv Uus 0.7 0.9 La Ce Pr Nd Sm Gd Dy Ho Er Tm Lu Pm Eu Tb Yb 1.1 1.1 1.1 1.1 1.2 1.2 1.2 1.2 1.2 1.2 1.3 Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No 1.4 1.4 Lr 1.1 1.3 1.3 1,3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 Figure 9.15 A Decreasing electronegativity Wn