1A 2A 3B 4B (1) (2) (3) 5B 68 78 (4) (5) (6) 8B 18 28 3A (9) (10)' (11) (12) (13) (14) (15) (16) (17) 4.0 (7) (8) 44 5A 6A TA 3.0 2.0 F 4.0 2. 1.0 2,1 3,5 3.0 0.0 2.5 Li 1.0 Be 1.5 B 2.0 CI 3.0 2.5 AI 1.5 Si 1.8 2.1 Na 0.9 Mg 1.2 Se 24 Br 2,8 NI As Fe 1.8 Cu Cr Mn 1.6 15 Co 1,8 Rh 2.2 Sc 1.3 Ti 1.5 18 1.9 Zn Ga 1.6 1.6 Cd Ge 1.8 20 1.6 Ca 1.0 Ag K Ru 2.2 Pd Mo 1.8 Sn 1.8 Te 2.1 2.5 0.8 2.2 19 In Nb 1.6 1.9 Zr 1.4 1.9 Sr 1.0 A 1,7 2A 31.8 Au Rb 0.8 Os 2.2 Pt 2.2 2.2 At 2.2 1.2 Ir Hg Bi Po Re 1.9 Pb 1.9 1.9 2.0 TI w 1.7 Ta Hf 1.3 La 1.5 Ba 0.9 Cs 1.1 0.7 6. Ra 0.9 Ac 1.1 Fr 0.7 Er Tm Yb Lu 1.21.21.2 1.21.21.2 1.2 1.3 Es Fm Md Dy Ho Ce 1.1 Pr Nd Pm Sm Eu Gd Tb 1.1 1.1 1.21.2 1.1 No Am Cm Bk 1.3 Cf Th 1.3 Pa 1.5 Np Pu 1.7 1.3 1.3 1.31.31.31,31.5 1.31.3 Figure 9.19 The Pauling electronegativ- ity (EN) scale. The height of each post is proportional to the EN, which is shown on top. The key has several EN cutoffs. In 0.7 - 1.4 1.5 - 1.9 2.0 - 2.9 3.0 - 4.0 the main groups, EN increases across and decreases down. The transition and inner transition elements show little change in EN. Here hydrogen is placed near ele- ments with similar EN values. Period o.C Electronegativity Electronegativity Period

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The four bonds of carbon tetrachloride (CCl4) are polar, but the molecule is nonpolar because the bond polarity is canceled by the symmetric tetrahedral shape. When other atoms substitute for some of the Cl atoms, the symmetry is broken and the molecule becomes polar. Use as shown to rank the following molecules from the least polar to the most polar: CH2Br2, CF2Cl2, CH2F2, CH2Cl2, CBr4, CF2Br2.

1A
2A
3B
4B
(1)
(2)
(3)
5B
68
78
(4)
(5) (6)
8B
18
28 3A
(9) (10)' (11) (12) (13) (14) (15) (16) (17)
4.0
(7)
(8)
44
5A
6A TA
3.0
2.0
F
4.0
2.
1.0
2,1
3,5
3.0
0.0
2.5
Li
1.0
Be
1.5
B
2.0
CI
3.0
2.5
AI
1.5
Si
1.8
2.1
Na
0.9
Mg
1.2
Se
24
Br
2,8
NI
As
Fe
1.8
Cu
Cr
Mn
1.6 15
Co
1,8
Rh
2.2
Sc
1.3
Ti
1.5
18 1.9 Zn Ga
1.6
1.6
Cd
Ge
1.8 20
1.6
Ca
1.0
Ag
K
Ru
2.2
Pd
Mo
1.8
Sn
1.8
Te
2.1
2.5
0.8
2.2 19
In
Nb
1.6
1.9
Zr
1.4
1.9
Sr
1.0
A 1,7
2A 31.8
Au
Rb
0.8
Os
2.2
Pt
2.2 2.2
At
2.2
1.2
Ir
Hg
Bi
Po
Re
1.9
Pb
1.9 1.9 2.0
TI
w
1.7
Ta
Hf
1.3
La
1.5
Ba
0.9
Cs
1.1
0.7
6.
Ra
0.9
Ac
1.1
Fr
0.7
Er Tm Yb Lu
1.21.21.2 1.21.21.2 1.2 1.3
Es Fm Md
Dy Ho
Ce
1.1
Pr Nd Pm Sm Eu Gd Tb
1.1
1.1
1.21.2 1.1
No
Am Cm Bk
1.3
Cf
Th
1.3
Pa
1.5
Np
Pu
1.7
1.3 1.3 1.31.31.31,31.5
1.31.3
Figure 9.19 The Pauling electronegativ-
ity (EN) scale. The height of each post is
proportional to the EN, which is shown
on top. The key has several EN cutoffs. In
0.7 - 1.4
1.5 - 1.9
2.0 - 2.9
3.0 - 4.0
the main groups, EN increases across and
decreases down. The transition and inner
transition elements show little change
in EN. Here hydrogen is placed near ele-
ments with similar EN values.
Period
o.C
Electronegativity
Electronegativity
Period
Transcribed Image Text:1A 2A 3B 4B (1) (2) (3) 5B 68 78 (4) (5) (6) 8B 18 28 3A (9) (10)' (11) (12) (13) (14) (15) (16) (17) 4.0 (7) (8) 44 5A 6A TA 3.0 2.0 F 4.0 2. 1.0 2,1 3,5 3.0 0.0 2.5 Li 1.0 Be 1.5 B 2.0 CI 3.0 2.5 AI 1.5 Si 1.8 2.1 Na 0.9 Mg 1.2 Se 24 Br 2,8 NI As Fe 1.8 Cu Cr Mn 1.6 15 Co 1,8 Rh 2.2 Sc 1.3 Ti 1.5 18 1.9 Zn Ga 1.6 1.6 Cd Ge 1.8 20 1.6 Ca 1.0 Ag K Ru 2.2 Pd Mo 1.8 Sn 1.8 Te 2.1 2.5 0.8 2.2 19 In Nb 1.6 1.9 Zr 1.4 1.9 Sr 1.0 A 1,7 2A 31.8 Au Rb 0.8 Os 2.2 Pt 2.2 2.2 At 2.2 1.2 Ir Hg Bi Po Re 1.9 Pb 1.9 1.9 2.0 TI w 1.7 Ta Hf 1.3 La 1.5 Ba 0.9 Cs 1.1 0.7 6. Ra 0.9 Ac 1.1 Fr 0.7 Er Tm Yb Lu 1.21.21.2 1.21.21.2 1.2 1.3 Es Fm Md Dy Ho Ce 1.1 Pr Nd Pm Sm Eu Gd Tb 1.1 1.1 1.21.2 1.1 No Am Cm Bk 1.3 Cf Th 1.3 Pa 1.5 Np Pu 1.7 1.3 1.3 1.31.31.31,31.5 1.31.3 Figure 9.19 The Pauling electronegativ- ity (EN) scale. The height of each post is proportional to the EN, which is shown on top. The key has several EN cutoffs. In 0.7 - 1.4 1.5 - 1.9 2.0 - 2.9 3.0 - 4.0 the main groups, EN increases across and decreases down. The transition and inner transition elements show little change in EN. Here hydrogen is placed near ele- ments with similar EN values. Period o.C Electronegativity Electronegativity Period
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