|
the
periodic table
|
alkali
metals |
alkaline
earth metals |
transition
metals |
poor
metals |
metalloids |
nonmetals |
halogens |
noble
gases |
lanthanides |
actinides |
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|
IA 1 |
VIIIA 18 |
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|
1
H hydrogen 1.008 |
IIA 2 |
IIIA 13 |
IVA 14 |
VA 15 |
VIA 16 |
VIIA 17 |
2 He helium 4.0026 |
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|
3
Li lithium 6.939 |
4 Be beryllium 9.012 |
5 B boron 10.811 |
6 C carbon 12.011 |
7 N nitrogen 14.077 |
8 O oxygen 15.999 |
9 F fluorine 18.998 |
10 Ne neon 20.183 |
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|
11
Na sodium 22.990 |
12 Mg magnesium 24.32 |
IIVB 3 |
IVB 4 |
VB 5 |
VIB 6 |
VIIB 7 |
8 |
9 |
10 |
IB 11 |
IIB 12 |
13 Al aluminum 26.98 |
14 Si silicon 28.09 |
15 P phosphorus 30.97 |
16 S sulphur 32.06 |
17 Cl chlorine 35.45 |
18 Ar argon 39.95 |
|
19
K potassium 39.10 |
20 Ca calcium 40.08 |
21 Sc scandium 44.96 |
22 Ti titanium 47.90 |
23 V vanadium 50.94 |
24 Cr chromium 52.00 |
25 Mn manganese 54.94 |
26 Fe iron 55.85 |
27 Co cobalt 58.93 |
28 Ni nickel 58.71 |
29 Cu copper 63.54 |
30 Zn zinc 65.37 |
31 Ga gallium 69.72 |
32 Ge germanium 72.59 |
33 As arsenic 74.92 |
34 Se selenium 78.96 |
35 Br bromine 79.91 |
36 Kr krypton 83.80 |
|
37
Rb rubidium 85.47 |
38 Sr stronium 87.62 |
39 Y yttrium 88.91 |
40 Zr zirconium 91.22 |
41 Nb niobium 92.91 |
42 Mo molybolium 95.94 |
43 Tc technetium 99 |
44 Ru ruthenium 101.07 |
45 Rh rhodium 102.91 |
46 Pd palladium 106.4 |
47 Ag silver 107.87 |
48 Cd cadmium 112.40 |
49 In indium 114.82 |
50 Sn tin 118.69 |
51 Sb antimony 121.75 |
52 Te tellurium 127.60 |
53 I iodine 126.9 |
54 Xe xenon 131.30 |
|
55
Cs cesium 132.91 |
56 Ba barium 137.34 |
57-71 |
72 Hf hafnium 178.49 |
73 Ta tantalum 180.95 |
74 W tungsten 183.85 |
75 Re rhenium 186.21 |
76 Os osmium 190.2 |
77 Ir iridium 192.2 |
78 Pt platinum 195.09 |
79 Au gold 196.97 |
80 Hg mercury 200.59 |
81 Tl tallium 204.37 |
82 Pb lead 207.19 |
83 Bi bismuth 208.98 |
84 Po polonium 209 |
85 At astatine 210 |
86 Rn radon 222 |
|
87
Fr francium 223 |
88 Ra radium 226.05 |
89-103 |
104 Rf rutherdium 261 |
105 Db Fdubrium 262 |
106 Sg seaborgium 263 |
107 Bh bohrium 264 |
108 Hs hassium 265 |
109 Mt meitnerium 268 |
110 Uun ununnilium 273 |
111 Uuu ununumium 272 |
114 Uuq Unuquadium 289 |
115 Uup ununpentium 288 |
166 Uuh Ununhexium 292 |
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57 La lanthanum 138.91 |
58 Ce cerium 140.12 |
59 Pr praseodymium 140.91 |
60 Nd neodymium 144.24 |
61 Pm promethium 145 |
62 Sm samarium 150.35 |
63 Eu europium 151.96 |
64 Gd gadolinium 157.25 |
65 Tb terbium 158.92 |
66 Dy dysprosium 162.50 |
67 Ho holmium 164.93 |
68 Er erbium 167.26 |
69 Tm thulium 168.93 |
70 Yb ytterbium 173.04 |
71 Lu lutetium 174.97 |
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89 Ac actinium 227 |
90 Th thorium 232.04 |
91 Pa protactinium 231 |
92 U uranium 238.03 |
93 Np neptunium 237 |
94 Pu plutonium 244 |
95 Am americium 243 |
96 Cm curium 247 |
97 Bk berkelium 247 |
98 Cf californium 251 |
99 Es einsteinium 253 |
100 Fm fermium 257 |
101 Md mendelevium 258 |
102 No nobelium 259 |
103 Lr lawrencium 263 |
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