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For the benefit of those who prefer the standard table, below is the Periodic Table of Elements, as redesigned by Dmitri Mendeleev in 1871 (from his original design in 1869) and updated as more chemical elements have become known.
Click
here to view this web site's color-coded version of the Periodic Table of
Elements.
| Periodic Table of Elements | |||||||||||||||||
| 1 Ia |
18 0 |
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| 1 H 1.01 |
2 IIa |
13 IIIa |
14 IVa |
15 Va |
16 VIa |
17 VIIa |
2 He 4.00 |
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| 3 Li 6.94 |
4 Be 9.01 |
5 B 10.8 |
6 C 12.0 |
7 N 14.0 |
8 O 16.0 |
9 F 19.0 |
10 Ne 20.2 |
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| 11 Na 23.0 |
12 Mg 24.3 |
3 IIIb |
4 IVb |
5 Vb |
6 VIb |
7 VIIb |
8 VIIIb |
9 VIIIb |
10 VIIIb |
11 Ib |
12 IIb |
13 Al 27.0 |
14 Si 28.1 |
15 P 31.0 |
16 S 32.1 |
17 Cl 35.5 |
18 Ar 39.9 |
| 19 K 39.1 |
20 Ca 40.1 |
21 Sc 45.0 |
22 Ti 47.9 |
23 V 50.9 |
24 Cr 52.0 |
25 Mn 54.9 |
26 Fe 55.8 |
27 Co 58.9 |
28 Ni 58.7 |
29 Cu 63.5 |
30 Zn 65.4 |
31 Ga 69.7 |
32 Ge 72.6 |
33 As 74.9 |
34 Se 79.0 |
35 Br 79.9 |
36 Kr 83.8 |
| 37 Rb 85.5 |
38 Sr 87.6 |
39 Y 88.9 |
40 Zr 91.2 |
41 Nb 92.9 |
42 Mo 95.9 |
43 Tc 99 |
44 Ru 101 |
45 Rh 103 |
46 Pd 106 |
47 Ag 108 |
48 Cd 112 |
49 In 115 |
50 Sn 119 |
51 Sb 122 |
52 Te 128 |
53 I 127 |
54 Xe 131 |
| 55 Cs 133 |
56 Ba 137 |
La- Lu ▼ |
72 Hf 178 |
73 Ta 181 |
74 W 184 |
75 Re 186 |
76 Os 190 |
77 Ir 192 |
78 Pt 195 |
79 Au 197 |
80 Hg 201 |
81 Tl 204 |
82 Pb 207 |
83 Bi 208 |
84 Po 209 |
85 At 210 |
86 Rn 222 |
| 87 Fr 223 |
88 Ra 226 |
Ac- Lr ▼ |
104 Rf 261 |
105 Db 268 |
106 Sg 271 |
107 Bh 270 |
108 Hs 269 |
109 Mt 278 |
110 Ds 281 |
111 Rg 281 |
111 Cn 285 |
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| Lanthanide series ► |
57 La 139 |
58 Ce 140 |
59 Pr 141 |
60 Nd 144 |
61 Pm 145 |
62 Sm 150 |
63 Eu 152 |
64 Gd 157 |
65 Tb 159 |
66 Dy 163 |
67 Ho 165 |
68 Er 167 |
69 Tm 169 |
70 Yb 173 |
71 Lu 175 |
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| Actinide series ► |
89 Ac 227 |
90 Th 232 |
91 Pa 231 |
92 U 238 |
93 Np 237 |
94 Pu 244 |
95 Am 243 |
96 Cm 247 |
97 Bk 247 |
98 Cf 251 |
99 Es 254 |
100 Fm 257 |
101 Md 258 |
102 No 259 |
103 Lr 260 |
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