Certain elements in the periodic table shown in Figure 7.7 had no electronegativity value defined. Based on the definition of electronegativity and the identity of these elements, hypothesize as to why they have no electronegativity value.

Figure 7.7

Transcribed Image Text:

1 2 3 4 5 6 7 T H 2.1 3 Li 1.0 11 0.9 55 2 4 Be 1.5 12 Mg 1.2 20 1.0 Ra 1.0 ارا 22 Ti 1.3 1.4 39 Y 1.2 57 La J.L 89 4 23 5 23 V 1.5 40 41 Zr Nh 1.3 1.5 72 73 Ta 1.4 105 Db 1.1 90 91 Th Pa 1.2 1.3 Metals Nonmetals Metalloids. 6 7 24 25 Cr Mn 1.6 1.6 42 43 Mo To 1.6 1.7 74 75 W 15 60 Nd 1.1 92 U 1.3 9 27 Co 542 1.8 76 77 Ir 1.9 10 429 78 Pt 1.8 109 110 Mt Ds 79 1.1 98 CH 1.3 13 5 B 2.0 14 15 6 C 2.5 13 14 Al Si 1.5 1.8 31 32 Ga Ge 1.7 1.9 49 In 1.6 81 F992 67 Ho 1.1 99 Es 13 N 3.0 15 P 2.1 33 1.8 1.9 82 83 Pb Bi 1.7 1.8. 68 Er 1.1 100 Fm 1.3 114 115 Fl Mc 16 8 O 2.4 52 Te 4.0 17 Cl 3.0 35 Br 2.8 53 2.1 2.5 84 85 71 Lu 1.2 103 Lr 1.5 18 118 Og