List of The 118 Known Chemical Elements
The following sortable table includes the 118 known chemical elements, with the names linking to the Wikipedia articles on each.
- Atomic number, name, and symbol all serve independently as unique identifiers.
- Names are those accepted by IUPAC; provisional names for recently produced elements not yet formally named are in parentheses.
- Group, period, and block refer to an element's position in the periodic table.
- State of matter (solid, liquid, or gas) applies at standard temperature and pressure conditions (STP).
- Occurrence distinguishes naturally occurring elements, categorized as either primordial or transient (from decay), and additional synthetic elements that have been produced technologically, but are not known to occur naturally.
- Description summarizes an element's properties using the broad categories commonly presented in periodic tables: Actinide, alkali metal, alkaline earth metal, halogen, lanthanide, metal, metalloid, noble gas, non-metal, and transition metal.
Atomic no. |
Name | Symbol | Group | Period | Block | State at STP |
Occurrence | Description |
---|---|---|---|---|---|---|---|---|
1 | Hydrogen | H | 1 | 1 | s | Gas | Primordial | Non-metal |
2 | Helium | He | 18 | 1 | s | Gas | Primordial | Noble gas |
3 | Lithium | Li | 1 | 2 | s | Solid | Primordial | Alkali metal |
4 | Beryllium | Be | 2 | 2 | s | Solid | Primordial | Alkaline earth metal |
5 | Boron | B | 13 | 2 | p | Solid | Primordial | Metalloid |
6 | Carbon | C | 14 | 2 | p | Solid | Primordial | Non-metal |
7 | Nitrogen | N | 15 | 2 | p | Gas | Primordial | Non-metal |
8 | Oxygen | O | 16 | 2 | p | Gas | Primordial | Non-metal |
9 | Fluorine | F | 17 | 2 | p | Gas | Primordial | Halogen |
10 | Neon | Ne | 18 | 2 | p | Gas | Primordial | Noble gas |
11 | Sodium | Na | 1 | 3 | s | Solid | Primordial | Alkali metal |
12 | Magnesium | Mg | 2 | 3 | s | Solid | Primordial | Alkaline earth metal |
13 | Aluminium | Al | 13 | 3 | p | Solid | Primordial | Metal |
14 | Silicon | Si | 14 | 3 | p | Solid | Primordial | Metalloid |
15 | Phosphorus | P | 15 | 3 | p | Solid | Primordial | Non-metal |
16 | Sulfur | S | 16 | 3 | p | Solid | Primordial | Non-metal |
17 | Chlorine | Cl | 17 | 3 | p | Gas | Primordial | Halogen |
18 | Argon | Ar | 18 | 3 | p | Gas | Primordial | Noble gas |
19 | Potassium | K | 1 | 4 | s | Solid | Primordial | Alkali metal |
20 | Calcium | Ca | 2 | 4 | s | Solid | Primordial | Alkaline earth metal |
21 | Scandium | Sc | 3 | 4 | d | Solid | Primordial | Transition metal |
22 | Titanium | Ti | 4 | 4 | d | Solid | Primordial | Transition metal |
23 | Vanadium | V | 5 | 4 | d | Solid | Primordial | Transition metal |
24 | Chromium | Cr | 6 | 4 | d | Solid | Primordial | Transition metal |
25 | Manganese | Mn | 7 | 4 | d | Solid | Primordial | Transition metal |
26 | Iron | Fe | 8 | 4 | d | Solid | Primordial | Transition metal |
27 | Cobalt | Co | 9 | 4 | d | Solid | Primordial | Transition metal |
28 | Nickel | Ni | 10 | 4 | d | Solid | Primordial | Transition metal |
29 | Copper | Cu | 11 | 4 | d | Solid | Primordial | Transition metal |
30 | Zinc | Zn | 12 | 4 | d | Solid | Primordial | Transition metal |
31 | Gallium | Ga | 13 | 4 | p | Solid | Primordial | Metal |
32 | Germanium | Ge | 14 | 4 | p | Solid | Primordial | Metalloid |
33 | Arsenic | As | 15 | 4 | p | Solid | Primordial | Metalloid |
34 | Selenium | Se | 16 | 4 | p | Solid | Primordial | Non-metal |
35 | Bromine | Br | 17 | 4 | p | Liquid | Primordial | Halogen |
36 | Krypton | Kr | 18 | 4 | p | Gas | Primordial | Noble gas |
37 | Rubidium | Rb | 1 | 5 | s | Solid | Primordial | Alkali metal |
38 | Strontium | Sr | 2 | 5 | s | Solid | Primordial | Alkaline earth metal |
39 | Yttrium | Y | 3 | 5 | d | Solid | Primordial | Transition metal |
40 | Zirconium | Zr | 4 | 5 | d | Solid | Primordial | Transition metal |
41 | Niobium | Nb | 5 | 5 | d | Solid | Primordial | Transition metal |
42 | Molybdenum | Mo | 6 | 5 | d | Solid | Primordial | Transition metal |
43 | Technetium | Tc | 7 | 5 | d | Solid | Transient | Transition metal |
44 | Ruthenium | Ru | 8 | 5 | d | Solid | Primordial | Transition metal |
45 | Rhodium | Rh | 9 | 5 | d | Solid | Primordial | Transition metal |
46 | Palladium | Pd | 10 | 5 | d | Solid | Primordial | Transition metal |
47 | Silver | Ag | 11 | 5 | d | Solid | Primordial | Transition metal |
48 | Cadmium | Cd | 12 | 5 | d | Solid | Primordial | Transition metal |
49 | Indium | In | 13 | 5 | p | Solid | Primordial | Metal |
50 | Tin | Sn | 14 | 5 | p | Solid | Primordial | Metal |
51 | Antimony | Sb | 15 | 5 | p | Solid | Primordial | Metalloid |
52 | Tellurium | Te | 16 | 5 | p | Solid | Primordial | Metalloid |
53 | Iodine | I | 17 | 5 | p | Solid | Primordial | Halogen |
54 | Xenon | Xe | 18 | 5 | p | Gas | Primordial | Noble gas |
55 | Caesium | Cs | 1 | 6 | s | Solid | Primordial | Alkali metal |
56 | Barium | Ba | 2 | 6 | s | Solid | Primordial | Alkaline earth metal |
57 | Lanthanum | La | 3 | 6 | f | Solid | Primordial | Lanthanide |
58 | Cerium | Ce | 3 | 6 | f | Solid | Primordial | Lanthanide |
59 | Praseodymium | Pr | 3 | 6 | f | Solid | Primordial | Lanthanide |
60 | Neodymium | Nd | 3 | 6 | f | Solid | Primordial | Lanthanide |
61 | Promethium | Pm | 3 | 6 | f | Solid | Transient | Lanthanide |
62 | Samarium | Sm | 3 | 6 | f | Solid | Primordial | Lanthanide |
63 | Europium | Eu | 3 | 6 | f | Solid | Primordial | Lanthanide |
64 | Gadolinium | Gd | 3 | 6 | f | Solid | Primordial | Lanthanide |
65 | Terbium | Tb | 3 | 6 | f | Solid | Primordial | Lanthanide |
66 | Dysprosium | Dy | 3 | 6 | f | Solid | Primordial | Lanthanide |
67 | Holmium | Ho | 3 | 6 | f | Solid | Primordial | Lanthanide |
68 | Erbium | Er | 3 | 6 | f | Solid | Primordial | Lanthanide |
69 | Thulium | Tm | 3 | 6 | f | Solid | Primordial | Lanthanide |
70 | Ytterbium | Yb | 3 | 6 | f | Solid | Primordial | Lanthanide |
71 | Lutetium | Lu | 3 | 6 | d | Solid | Primordial | Lanthanide |
72 | Hafnium | Hf | 4 | 6 | d | Solid | Primordial | Transition metal |
73 | Tantalum | Ta | 5 | 6 | d | Solid | Primordial | Transition metal |
74 | Tungsten | W | 6 | 6 | d | Solid | Primordial | Transition metal |
75 | Rhenium | Re | 7 | 6 | d | Solid | Primordial | Transition metal |
76 | Osmium | Os | 8 | 6 | d | Solid | Primordial | Transition metal |
77 | Iridium | Ir | 9 | 6 | d | Solid | Primordial | Transition metal |
78 | Platinum | Pt | 10 | 6 | d | Solid | Primordial | Transition metal |
79 | Gold | Au | 11 | 6 | d | Solid | Primordial | Transition metal |
80 | Mercury | Hg | 12 | 6 | d | Liquid | Primordial | Transition metal |
81 | Thallium | Tl | 13 | 6 | p | Solid | Primordial | Metal |
82 | Lead | Pb | 14 | 6 | p | Solid | Primordial | Metal |
83 | Bismuth | Bi | 15 | 6 | p | Solid | Primordial | Metal |
84 | Polonium | Po | 16 | 6 | p | Solid | Transient | Metalloid |
85 | Astatine | At | 17 | 6 | p | Solid | Transient | Halogen |
86 | Radon | Rn | 18 | 6 | p | Gas | Transient | Noble gas |
87 | Francium | Fr | 1 | 7 | s | Solid | Transient | Alkali metal |
88 | Radium | Ra | 2 | 7 | s | Solid | Transient | Alkaline earth metal |
89 | Actinium | Ac | 3 | 7 | f | Solid | Transient | Actinide |
90 | Thorium | Th | 3 | 7 | f | Solid | Primordial | Actinide |
91 | Protactinium | Pa | 3 | 7 | f | Solid | Transient | Actinide |
92 | Uranium | U | 3 | 7 | f | Solid | Primordial | Actinide |
93 | Neptunium | Np | 3 | 7 | f | Solid | Transient | Actinide |
94 | Plutonium | Pu | 3 | 7 | f | Solid | Primordial | Actinide |
95 | Americium | Am | 3 | 7 | f | Solid | Transient | Actinide |
96 | Curium | Cm | 3 | 7 | f | Solid | Transient | Actinide |
97 | Berkelium | Bk | 3 | 7 | f | Solid | Transient | Actinide |
98 | Californium | Cf | 3 | 7 | f | Solid | Transient | Actinide |
99 | Einsteinium | Es | 3 | 7 | f | Solid | Synthetic | Actinide |
100 | Fermium | Fm | 3 | 7 | f | Solid | Synthetic | Actinide |
101 | Mendelevium | Md | 3 | 7 | f | Solid | Synthetic | Actinide |
102 | Nobelium | No | 3 | 7 | f | Solid | Synthetic | Actinide |
103 | Lawrencium | Lr | 3 | 7 | d | Solid | Synthetic | Actinide |
104 | Rutherfordium | Rf | 4 | 7 | d | Synthetic | Transition metal | |
105 | Dubnium | Db | 5 | 7 | d | Synthetic | Transition metal | |
106 | Seaborgium | Sg | 6 | 7 | d | Synthetic | Transition metal | |
107 | Bohrium | Bh | 7 | 7 | d | Synthetic | Transition metal | |
108 | Hassium | Hs | 8 | 7 | d | Synthetic | Transition metal | |
109 | Meitnerium | Mt | 9 | 7 | d | Synthetic | ||
110 | Darmstadtium | Ds | 10 | 7 | d | Synthetic | ||
111 | Roentgenium | Rg | 11 | 7 | d | Synthetic | ||
112 | Copernicium | Cn | 12 | 7 | d | Synthetic | Transition metal | |
113 | (Ununtrium) | Uut | 13 | 7 | p | Synthetic | ||
114 | Flerovium | Fl | 14 | 7 | p | Synthetic | ||
115 | (Ununpentium) | Uup | 15 | 7 | p | Synthetic | ||
116 | Livermorium | Lv | 16 | 7 | p | Synthetic | ||
117 | (Ununseptium) | Uus | 17 | 7 | p | Synthetic | ||
118 | (Ununoctium) | Uuo | 18 | 7 | p | Synthetic |
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