Elements, Chemicals and Chemistry

# Symbol Name Atomic Weight Electron Configuration
1 H Hydrogen 1.00794 1s1
2 He Helium 4.002602 1s2
3 Li Lithium 6.941 [He] 2s1
4 Be Beryllium 9.012182 [He] 2s2
5 B Boron 10.811 [He] 2s2 2p1
6 C Carbon 12.0107 [He] 2s2 2p2
7 N Nitrogen 14.0067 [He] 2s2 2p3
8 O Oxygen 15.9994 [He] 2s2 2p4
9 F Fluorine 18.9984032 [He] 2s2 2p5
10 Ne Neon 20.1797 [He] 2s2 2p6
11 Na Sodium 22.98976928 [Ne] 3s1
12 Mg Magnesium 24.305 [Ne] 3s2
13 Al Aluminium 26.9815386 [Ne] 3s2 3p1
14 Si Silicon 28.0855 [Ne] 3s2 3p2
15 P Phosphorus 30.973762 [Ne] 3s2 3p3
16 S Sulfur 32.065 [Ne] 3s2 3p4
17 Cl Chlorine 35.453 [Ne] 3s2 3p5
18 Ar Argon 39.948 [Ne] 3s2 3p6
19 K Potassium 39.0983 [Ar] 4s1
20 Ca Calcium 40.078 [Ar] 4s2
21 Sc Scandium 44.955912 [Ar] 3d1 4s2
22 Ti Titanium 47.867 [Ar] 3d2 4s2
23 V Vanadium 50.9415 [Ar] 3d3 4s2
24 Cr Chromium 51.9961 [Ar] 3d5 4s1
25 Mn Manganese 54.938045 [Ar] 4s2 3d5
26 Fe Iron 55.845 [Ar] 4s2 3d6
27 Co Cobalt 58.933195 [Ar] 3d7 4s2
28 Ni Nickel 58.6934 [Ar] 3d8 4s2
29 Cu Copper 63.546 [Ar] 3d10 4s1
30 Zn Zinc 65.409 [Ar] 3d10 4s2
31 Ga Gallium 69.723 [Ar] 3d10 4s2 4p1
32 Ge Germanium 72.64 [Ar] 3d10 4s2 4p2
33 As Arsenic 74.9216 [Ar] 3d10 4s2 4p3
34 Se Selenium 78.96 [Ar] 4s2 3d10 4p4
35 Br Bromine 79.904 [Ar] 4s2 3d10 4p5
36 Kr Krypton 83.798 [Ar] 3d10 4s2 4p6
37 Rb Rubidium 85.4678 [Kr] 5s1
38 Sr Strontium 87.62 [Kr] 5s2
39 Y Yttrium 88.90585 [Kr] 4d1 5s2
40 Zr Zirconium 91.224 [Kr] 4d2 5s2
41 Nb Niobium 92.90638 [Kr] 4d4 5s1
42 Mo Molybdenum 95.94 [Kr] 4d5 5s1
43 Tc Technetium (98) [Kr] 4d5 5s2
44 Ru Ruthenium 101.07 [Kr] 4d7 5s1
45 Rh Rhodium 102.9055 [Kr] 4d8 5s1
46 Pd Palladium 106.42 [Kr] 4d10
47 Ag Silver 107.8682 [Kr] 4d10 5s1
48 Cd Cadmium 112.411 [Kr] 4d10 5s2
49 In Indium 114.818 [Kr] 4d10 5s2 5p1
50 Sn Tin 118.71 [Kr] 4d10 5s2 5p2
51 Sb Antimony 121.76 [Kr] 4d10 5s2 5p3
52 Te Tellurium 127.6 [Kr] 5s2 4d10 5p4
53 I Iodine 126.90447 [Kr] 4d10 5s2 5p5
54 Xe Xenon 131.293 [Kr] 4d10 5s2 5p6
55 Cs Cesium 132.9054519 [Xe] 6s1
56 Ba Barium 137.327 [Xe] 6s2
57 La Lanthanum 138.90547 [Xe] 5d1 6s2
58 Ce Cerium 140.116 [Xe] 4f1 5d1 6s2
59 Pr Praseodymium 140.90765 [Xe] 4f3 6s2
60 Nd Neodymium 144.242 [Xe] 4f4 6s2
61 Pm Promethium (145) [Xe] 4f5 6s2
62 Sm Samarium 150.36 [Xe] 4f6 6s2
63 Eu Europium 151.964 [Xe] 4f7 6s2
64 Gd Gadolinium 157.25 [Xe] 4f7 5d1 6s2
65 Tb Terbium 158.92535 [Xe] 4f9 6s2
66 Dy Dysprosium 162.5 [Xe] 4f10 6s2
67 Ho Holmium 164.93032 [Xe] 4f11 6s2
68 Er Erbium 167.259 [Xe] 4f12 6s2
69 Tm Thulium 168.93421 [Xe] 4f13 6s2
70 Yb Ytterbium 173.04 [Xe] 4f14 6s2
71 Lu Lutetium 174.967 [Xe] 6s2 4f14 5d1
72 Hf Hafnium 178.49 [Xe] 4f14 5d2 6s2
73 Ta Tantalum 180.94788 [Xe] 4f14 5d3 6s2
74 W Tungsten 183.84 [Xe] 4f14 5d4 6s2
75 Re Rhenium 186.207 [Xe] 4f14 5d5 6s2
76 Os Osmium 190.23 [Xe] 4f14 5d6 6s2
77 Ir Iridium 192.217 [Xe] 4f14 5d7 6s2
78 Pt Platinum 195.084 [Xe] 4f14 5d9 6s1
79 Au Gold 196.966569 [Xe] 4f14 5d10 6s1
80 Hg Mercury 200.59 [Xe] 4f14 5d10 6s2
81 Tl Thallium 204.3833 [Xe] 4f14 5d10 6s2 6p1
82 Pb Lead 207.2 [Xe] 4f14 5d10 6s2 6p2
83 Bi Bismuth 208.9804 [Xe] 4f14 5d10 6s2 6p3
84 Po Polonium (209) [Xe] 6s2 4f14 5d10 6p4
85 At Astatine (210) [Xe] 4f14 5d10 6s2 6p5
86 Rn Radon (222) [Xe] 4f14 5d10 6s2 6p6
87 Fr Francium (223) [Rn] 7s1
88 Ra Radium (226) [Rn] 7s2
89 Ac Actinium (227) [Rn] 6d1 7s2
90 Th Thorium 232.0381 [Rn] 6d2 7s2
91 Pa Protactinium 231.03588 [Rn] 5f2 6d1 7s2
92 U Uranium 238.02891 [Rn] 5f3 6d1 7s2
93 Np Neptunium (237) [Rn] 5f4 6d1 7s2
94 Pu Plutonium (244) [Rn] 5f6 7s2
95 Am Americium (243) [Rn] 5f7 7s2
96 Cm Curium (247) [Rn] 5f7 6d1 7s2
97 Bk Berkelium (247) [Rn] 5f9 7s2
98 Cf Californium (251) [Rn] 5f10 7s2
99 Es Einsteinium (252) [Rn] 5f11 7s2
100 Fm Fermium (257) [Rn] 5f12 7s2
101 Md Mendelevium (258) [Rn] 5f13 7s2
102 No Nobelium (259) [Rn] 5f14 7s2
103 Lr Lawrencium (262) [Rn] 5f14 6d1 7s2
104 Rf Rutherfordium (265) [Rn] 5f14 6d2 7s2
105 Db Dubnium (268) [Rn] 5f14 6d3 7s2
106 Sg Seaborgium (263) [Rn] 5f14 6d4 7s2
107 Bh Bohrium (272) [Rn] 5f14 6d5 7s2
108 Hs Hassium (278) [Rn] 5f14 6d6 7s2
109 Mt Meitnerium (278) [Rn] 5f14 6d7 7s2
110 Ds Darmstadtium (281) [Rn] 5f14 6d9 7s1
111 Rg Roentgenium (280) [Rn] 5f14 6d10 7s1
112 Uub Ununbium (285) [Rn] 5f14 6d10 7s2
113 Uut Ununtrium (284) [Rn] 5f14 6d10 7s2 7p1
114 Uuq Ununquadium (289) [Rn] 5f14 6d10 7s2 7p2
115 Uup Ununpentium (288) [Rn] 5f14 6d10 7s2 7p3
116 Uuh Ununhexium (293) [Rn] 5f14 6d10 7s2 7p4
117 Uus Ununseptium (294) [Rn] 5f14 6d10 7s2 7p5
118 Uuo Ununoctium (294) [Rn] 7s2 5f14 6d10 7p6
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