Plot the data of Figure 10-6 as a function of atomic number. Does the property of electronegativity conform to the periodic law? Do you think it should?

Figure 10-6 

Transcribed Image Text:

4.0- 3.5 Electronegativity 3.0 N № 1A 2A 3B 4B (1) (2) (3) 2.5 2.0 15 1.0 0.5 0 H 2.1 Be Li 1.5 1.0 Na 0.91 Mg 1.2 K Ca 0.8 1.0 Rb 0.8 Fr 0.7 Sc 55 Cs Ba 0.8 1.3 Sr Y 1.0 1.2 La 0.9 1.1 Ra Ac 0.9 1.1 5B 6B 7B (6) (7) (5) Ti V Cr Mn 1.5 1.6 16 15 Tc 1.9 Zr 1.4 Nb Mo 1.6 Ta Hf 1.5 1.3 20 1.8 W Re 1.9 2.4 8B 1B 2B 3A 4A 5A 6A 7A (8) (9) (10) (11) (12) (13) (14) (15) (16) (17) U 1.5 1.7 Os Ir Pt Au 2.4 2.2 2.2 2.2 Ce Pr Nd Pm Sm Eu Gd Tb 1.11.1 1.2 1.2 1.1 1.2 1.2 Th Pa 1.3 B 2.0 Al 1.5 N с 3.0 Fe Co Ni Cu 18 18 1.9 Zn Ga Ge Ru Rh Pd Ag 1.6 1.6 1.8 18 Cd In 2.2 2.2 2.2 17 1.7 Hg TI 1.9 1.8. 2.5 Si 1.8 Pb 1.9 P 2.1 S 2.5 Sn Sb 1.8 1.9 Bi Po 1.9 2.0 Np Pu Am Cm Bk Cf 1.3 1.3 1.3 1.3 1.3 1.3 1.3 1.3 O 3.5 Se As 2.4 2.0 Te 2.1 Es Fm Md No 1.3 1.5 Cl 3.0 Br 2.8 I 2.5 Dy Ho Er Tm Yb Lu 1.2 1.2 1.2 1.2 1.2 1.3 F 4.0 At 2.2