Groups | ||||||||||||||||||
Periods | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
1 | 1 H Hydrogen |
2 He Helium |
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2 | 3 Li Lithium |
4 Be Beryllium |
Alkali metals
Alkali earth metals |
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Halogens
Noble gases |
5 B Boron |
6 C Carbon |
7 N Nitrogen |
8 O Oxygen |
9 F Fluorine |
10 Ne Neon |
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3 | 11 Na Sodium |
12 Mg Magnesium |
13 Al Aluminum |
14 Si Silicon |
15 P Phosphorus |
16 S Sulfur |
17 Cl Chlorine |
18 Ar Argon |
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4 | 19 K Potassium |
20 Ca Calcium |
21 Sc Scandium |
22 Ti Titanium |
23 V Vanadium |
24 Cr Chromium |
25 Mn Manganese |
26 Fe Iron |
27 Co Cobalt |
28 Ni Nickel |
29 Cu Copper |
30 Zn Zinc |
31 Ga Gallium |
32 Ge Germanium |
33 As Arsenic |
34 Se Selenium |
35 Br Bromine |
36 Kr Krypton |
5 | 37 Rb Rubidium |
38 Sr Strontium |
39 Y Yttrium |
40 Zr Zirconium |
41 Nb Niobium |
42 Mo Molybdenum |
43 Tc Technetium |
44 Ru Ruthenium |
45 Rh Rhodium |
46 Pd Palladium |
47 Ag Silver |
48 Cd Cadmium |
49 In Indium |
50 Sn Tin |
51 Sb Antimony |
52 Te Tellurium |
53 I Iodine |
54 Xe Xenon |
6 | 55 Cs Cesium |
56 Ba Barium |
72 Hf Hafnium |
73 Ta Tantalum |
74 W Tungsten |
75 Re Rhenium |
76 Os Osmium |
77 Ir Iridium |
78 Pt Platinum |
79 Au Gold |
80 Hg Mercury |
81 Tl Thallium |
82 Pb Lead |
83 Bi Bismuth |
84 Po Polonium |
85 At Astatine |
86 Rn Radon |
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7 | 87 Fr Francium |
88 Ra Radium |
104 Rf Rutherfordium |
105 Db Dubnium |
106 Sg Seaborgium |
107 Bh Bohrium |
108 Hs Hassium |
109 Mt Meitnerium |
110 Ds Darmstadtium |
111 Rg Roentgenium |
112 Cn Copernicium |
113 Nh Nihonium |
114 Fl Flerovium |
115 Mc Moscovium |
116 Lv Livermorium |
117 Ts Tennessine |
118 Og Oganesson |
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Lanthanoids |
57 La Lanthanum |
58 Ce Cerium |
59 Pr Praseodymium |
60 Nd Neodymium |
61 Pm Promethium |
62 Sm Samarium |
63 Eu Europium |
64 Gd Gadolinium |
65 Tb Terbium |
66 Dy Dysprosium |
67 Ho Holmium |
68 Er Erbium |
69 Tm Thulium |
70 Yb Ytterbium |
71 Lu Lutetium |
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Actinoids |
89 Ac Actinium |
90 Th Thorium |
91 Pa Protactinium |
92 U Uranium |
93 Np Neptunium |
94 Pu Plutonium |
95 Am Americium |
96 Cm Curium |
97 Bk Berkelium |
98 Cf Californium |
99 Es Einsteinium |
100 Fm Fermium |
101 Md Mendelevium |
102 No Nobelium |
103 Lr Lawrencium |
Nomenclature: International Union of Pure and Applied Chemistry (IUPAC) recommends using the names Lanthanoids for elements La to Lu and Actinoids for elements Ac to Lr instead of Lanthanides and Actinides that are more commonly used.