Chapter 1 The Early Experiments
56 Ba
137.3356 Ba
137.33(^1) H
1.0079
(^1) H
1.0079
(^2) He
4.0026
(^2) He
4.0026
5 B
10.811
5 B
10.811
(^6) C
12.011
(^6) C
12.011
(^7) N
14.007
(^7) N
14.007
(^8) O
15.999
(^8) O
15.999
9 F
18.998
9 F
18.998
10 Ne
20.180
10 Ne
20.180
13 Al
26.982
13 Al
26.982
14 Si
28.086
14 Si
28.086
15 P
30.974
15 P
30.974
16 S
32.066
16 S
32.066
17 Cl
35.453
17 Cl
35.453
18 Ar
39.948
18 Ar
39.948
(^3) Li
6.941
(^3) Li
6.941
(^4) Be
9.0122
(^4) Be
9.0122
(^11) Na
22.990
(^11) Na
22.990
(^12) Mg
24.305
(^12) Mg
24.305
19 K
39.098
19 K
39.098
(^20) Ca
40.078
(^20) Ca
40.078
21 Sc
44.956
21 Sc
44.956
2222 TiTi47.8847.88
55 Cs
132.91
55 Cs
132.91
39 Y
88.906
39 Y
88.906
40 Zr
91.224
40 Zr
91.224
23 V
50.942
23 V
50.942
(^41) Nb
92.906
(^41) Nb
92.906
24 Cr
51.996
24 Cr
51.996
(^4242) MoMo95.9495.94
8787 FrFr(223)(223)
88 Ra
226.03
88 Ra
226.03
37 Rb
85.478
37 Rb
85.478
3838 SrSr87.6287.62
57 La
138.91
57 La
138.91
72 Hf
178.49
72 Hf
178.49
73 Ta
180.95
73 Ta
180.95
74 W
183.84
74 W
183.84
89 Ac
227.03
89 Ac
227.03
104104 RfRf(261)(261)
105105 DbDb(262)(262)
106106 SgSg(263)(263)
(^25) Mn
54.938
(^25) Mn
54.938
26 Fe
55.847
26 Fe
55.847
(^27) Co
58.933
(^27) Co
58.933
(^29) Cu
63.546
(^29) Cu
63.546
3030 ZnZn65.3965.39
(^31) Ga
69.723
(^31) Ga
69.723
(^3232) GeGe72.6172.61
33 As
74.922
33 As
74.922
3434 SeSe78.9678.96
35 Br
79.904
35 Br
79.904
3636 KrKr83.8083.80
49 In
114.82
49 In
114.82
81 Tl
204.38
81 Tl
204.38
50 Sn
118.71
50 Sn
118.71
51 Sb
121.75
51 Sb
121.75
52 Te
127.60
52 Te
127.60
53 I
126.90
53 I
126.90
54 Xe
131.29
54 Xe
131.29
8282 PbPb207.2207.2
83 Bi
208.98
83 Bi
208.98
8484 PoPo(209)(209)
8585 AtAt(210)(210)
8686 RnRn(222)(222)
4343 TcTc(98)(98)
44 Ru
101.07
44 Ru
101.07
45 Rh
102.91
45 Rh
102.91
46 Pd
106.42
46 Pd
106.42
(^47) Ag
107.87
(^47) Ag
107.87
28 Ni
58.693
28 Ni
58.693
(^48) Cd
112.41
(^48) Cd
112.41
75 Re
186.21
75 Re
186.21
76 Os
190.23
76 Os
190.23
77 Ir
192.22
77 Ir
192.22
78 Pt
195.08
78 Pt
195.08
79 Au
196.97
79 Au
196.97
80 Hg
200.59
80 Hg
200.59
107107 BhBh(264)(264)
108108 HsHs(265)(265)
109109 MtMt(268)(268)
110110 UunUun(269)(269)
111111 UuuUuu(272)(272)
(^112112) UubUub(277)(277)
(^58) Ce
140.11
(^58) Ce
140.11
59 Pr
140.91
59 Pr
140.91
60 Nd
144.24
60 Nd
144.24
(^6161) PmPm(145)(145)
(^62) Sm
150.36
(^62) Sm
150.36
63 Eu
151.97
63 Eu
151.97
(^64) Gd
157.25
(^64) Gd
157.25
6666 DyDy162.5162.5
(^67) Ho
164.93
(^67) Ho
164.93
65 Tb
158.93
65 Tb
158.93
68 Er
167.26
68 Er
167.26
(^69) Tm
168.93
(^69) Tm
168.93
70 Yb
173.04
70 Yb
173.04
71 Lu
174.97
71 Lu
174.97
90 Th
232.04
90 Th
232.04
91 Pa
231.04
91 Pa
231.04
92 U
238.03
92 U
238.03
(^93) Np
237.05
(^93) Np
237.05
9494 PuPu(244)(244)
(^9595) AmAm(243)(243)
(^9696) CmCm(247)(247)
9797 BkBk(247)(247)
9898 CfCf(251)(251)
9999 EsEs(252)(252)
100100 FmFm(257)(257)
101101 MdMd(258)(258)
102102 NoNo(259)(259)
103103 LrLr(262)(262)
Figure 1.8 Modern periodic table See text on previous page for descriptions of metals, metalloids, and nonmetals Copyright
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