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Chemical Element table

table started by typelibrarian for the Chemistry Commons
The elements of the periodic table.

132 Chemical Element topics

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x Helium 7440-59-7 He 2
Helium (pronounced /ˈhiːliəm/) is the chemical element with atomic number 2, and is represented by the symbol He. It is a colorless, odorless, tasteless, non-toxic, inert monatomic gas that heads the noble gas group in the periodic table. Its...
x Hassium Hs-TableImage 54037-57-9 Hs 108
Hassium (pronounced /ˈhæsi.əm/ ( listen) or /ˈhɑːsi.əm/) is a synthetic element in the periodic table that has the symbol Hs and atomic number 108. Its most stable isotope is Hs, with a half-life of 16.5 minutes. Hassium was first synthesized in...
x Argon 7440-37-1 Ar 18
Argon (pronounced /ˈɑrɡɒn/) is a chemical element designated by the symbol Ar. Argon has atomic number 18 and is the third element in group 18 of the periodic table (noble gases). Argon is present in the Earth's atmosphere at 0.94%. Terrestrially,...
x Strontium Sr-TableImage 7440-24-6 Sr 38
Strontium (pronounced /ˈstrɒnʃiəm/, /ˈstrɒntiəm/, or /ˈstrɒnʃəm/) is a chemical element with the symbol Sr and the atomic number 38. An alkaline earth metal, strontium is a soft silver-white or yellowish metallic element that is highly reactive...
x Polonium Po-TableImage 7440-08-6 Po 84
Polonium (pronounced /pɵˈloʊniəm/) is a chemical element with the symbol Po and atomic number 84, discovered in 1898 by Marie and Pierre Curie. A rare and highly radioactive metalloid, polonium is chemically similar to bismuth and tellurium, and it...
x Selenium Se-TableImage 7782-49-2 Se 34
Selenium (pronounced /səˈliːniəm/) is a chemical element with the atomic number 34, represented by the chemical symbol Se, an atomic mass of 78.96. It is a nonmetal, chemically related to sulfur and tellurium, and rarely occurs in its elemental...
x Xenon Xenon in the periodic table of the elements 7440-63-3 Xe 54
Xenon (pronounced /ˈzɛnɒn/ or /ˈziːnɒn/) is a chemical element represented by the symbol Xe. Its atomic number is 54. A colorless, heavy, odorless noble gas, xenon occurs in the Earth's atmosphere in trace amounts. Although generally unreactive,...
x Silicon 7440-21-3 Si 14
Silicon (pronounced /ˈsɪlɨkən/ or /ˈsɪlɨkɒn/, Latin: silicium) is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. The atomic mass is 28.0855. A tetravalent metalloid, silicon is less reactive than...
x Ununpentium Uup-TableImage 54085-64-2 Uup 115
Ununpentium (pronounced /ˌjuːnənˈpɛntiəm/; officially, the two initial u's are to be pronounced /uː/  ( listen)) is the temporary name of a synthetic superheavy element in the periodic table that has the temporary symbol Uup and has the atomic...
x Protactinium Pa-TableImage 7440-13-3 Pa 91
Protactinium (pronounced /ˌproʊtækˈtɪniəm/) is a chemical element with the symbol Pa and atomic number 91. Its longest-lived and only naturally-occurring isotope, Pa-231, is a decay product of uranium-235 (U-235), and it has a half-life of 32,760...
x Dysprosium Dy-TableImage 7429-91-6 Dy 66
Dysprosium (pronounced /dɪsˈproʊziəm/) is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various...
x Plutonium The Element Plutonium 7440-07-5 Pu 94
Plutonium (pronounced /pluːˈtoʊniəm/, symbol Pu, atomic number—or element—94) is a rare transuranic radioactive element. It is an actinide metal of silvery-white appearance that tarnishes when exposed to air, forming a dull coating when oxidized....
x Nitrogen 7727-37-9 N 7
Nitrogen (pronounced /ˈnaɪtrədʒɨn/) is a chemical element that has the symbol N and atomic number 7 and atomic mass 14.00674 u. Elemental nitrogen is a colorless, odorless, tasteless and mostly inert diatomic gas at standard conditions, constituting...
x Iodine I-TableImage 7553-56-2 I 53
Iodine (pronounced /ˈaɪədaɪn/, /ˈaɪədɨn/, or in chemistry /ˈaɪədiːn/; from Greek: ιώδης iodes "violet"), is a chemical element that has the symbol I and atomic number 53. Naturally-occurring iodine is a single isotope with 74 neutrons. Chemically,...
x Carbon 7440-44-0 C 6
Carbon (pronounced /ˈkɑrbən/) is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. There are...
x Thallium Tl-TableImage 7440-28-0 Tl 81
Thallium (pronounced /ˈθæliəm/) is a chemical element with the symbol Tl and atomic number 81. This soft gray malleable poor metal resembles tin but discolors when exposed to air. Approximately 60-70% of thallium production is used in the...
x Beryllium 7440-41-7 Be 4
Beryllium (pronounced /bəˈrɪliəm/) is the chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is found naturally only combined with other elements in minerals. Notable gemstones which contain beryllium include...
x Meitnerium Mt-TableImage 54038-01-6 Mt 109
Meitnerium (pronounced /maɪtˈnɜriəm/ ( listen)) is a chemical element in the periodic table that has the symbol Mt and atomic number 109. Mt is a synthetic element whose most stable known isotope is Mt-276, with a half-life of a 0.7 s. Meitnerium...
x Chromium Chromium in the periodic table of the elements 7440-47-3 Cr 24
Chromium (pronounced /ˈkroʊmiəm/) is a chemical element which has the symbol Cr and atomic number 24. It is a steely-gray, lustrous, hard metal that takes a high polish and has a high melting point. It is also odourless, tasteless, and malleable....
x Mercury Hg-TableImage 7439-97-6 Hg 80
Mercury (pronounced /ˈmɜrkjʊri/), also called quicksilver (/ˈkwɪksɪlvər/) or hydrargyrum (/haɪˈdrɑrdʒɨrəm/), is a chemical element with the symbol Hg (Latinized Greek: hydrargyrum, meaning watery or liquid silver) and atomic number 80. A heavy,...
x Yttrium Y-TableImage 7440-65-5 d 39
Yttrium (pronounced /ˈɪtriəm/) is a chemical element with symbol Y and atomic number 39. It is a silvery-metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost...
x Scandium 7440-20-2 Sc 21
Scandium (pronounced /ˈskændiəm/) is a chemical element with symbol Sc and atomic number 21. A silvery-white metallic transition metal, it has historically been sometimes classified as a rare earth element, together with yttrium and the lanthanides....
x Tellurium Te-TableImage 13494-80-9 Te 52
Tellurium (pronounced /tɪˈlʊəriəm, tɛlˈlʊəriəm/) is a chemical element that has the symbol Te and atomic number 52. A brittle silver-white metalloid which looks like tin, tellurium is chemically related to selenium and sulfur. Tellurium is primarily...
x Astatine At-TableImage 7440-68-8 At 85
Astatine (pronounced /ˈæstətiːn/ or /ˈæstətɨn/) is a radioactive chemical element with the symbol At and atomic number 85. It is the heaviest of the discovered halogens. Although astatine is produced by radioactive decay in nature, due to its short...
x Lead Pb-TableImage 7439-92-1 Pb 82
Lead (pronounced /ˈlɛd/) is a main-group element with symbol Pb (Latin: plumbum) and atomic number 82. Lead is a soft, malleable poor metal, also considered to be one of the heavy metals. Lead has a bluish-white color when freshly cut, but tarnishes...
x Iron Iron in the periodic table of the elements 7439-89-6 Fe 26
Iron (pronounced /ˈаɪ.ərn/) is a chemical element with the symbol Fe (Latin: ferrum) and atomic number 26. Iron is a group 8 and period 4 element. Iron and iron alloys (steels) are by far the most common metals and the most common ferromagnetic...
x Berkelium Berkelium in the periodic table of the elements 7440-40-6 Bk 97
Berkelium (pronounced /bərˈkiːli.əm/, less commonly /ˈbɜrkli.əm/) is a synthetic element with the symbol Bk and atomic number 97. A radioactive metallic element in the actinide series, berkelium was first synthesized by bombarding americium with...
x Platinum Pt-TableImage 7440-06-4 Pt 78
Platinum (pronounced /ˈplætɨnəm/) is a chemical element with the chemical symbol Pt and an atomic number of 78. Its name is derived from the Spanish term platina del Pinto, which is literally translated into "little silver of the Pinto River." It is...
x Dubnium Db-TableImage 53850-35-4 Db 105
Dubnium (pronounced /ˈduːbniəm/) is a chemical element in the periodic table that has the symbol Db and atomic number 105. This is a radioactive synthetic element whose most stable isotope is Db with a half life of 28 hours. This is the longest...
x Seaborgium Sg-TableImage 54038-81-2 Sg 106
Seaborgium (pronounced /siːˈbɔrɡiəm/) is a chemical element in the periodic table that has the symbol Sg and atomic number 106. Seaborgium is a synthetic element whose most stable isotope Sg has a half-life of 1.9 minutes. Chemistry experiments with...
x Rutherfordium Rf-TableImage 53850-36-5 Rf 104
Rutherfordium (pronounced /ˌrʌðərˈfɔrdiəm/) is a chemical element in the periodic table that has the symbol Rf and atomic number 104. This is a radioactive synthetic element whose most stable known isotope is Rf with a half-life of approximately 1.3...
x Tin Sn-TableImage 7440-31-5 Sn 50
Tin is a chemical element with the symbol Sn (Latin: Stannum) and atomic number 50. It is a main group metal in group 14 of the periodic table. Tin shows chemical similarity to both neighboring group 14 elements, germanium and lead, like the two...
x Cerium Ce-TableImage 7440-45-1 Ce 58
Cerium (pronounced /ˈsɪəriəm/) is a chemical element with the symbol Ce and atomic number 58. It is a soft, silvery, ductile metal which easily oxidizes in air. Cerium was named after the dwarf planet Ceres. Cerium is the most abundant of the rare...
x Oxygen 7782-44-7 O 8
Oxygen (pronounced /ˈɒksɨdʒɨn/, from the Greek roots ὀξύς (oxys) (acid, literally "sharp," from the taste of acids) and -γενής (-genēs) (producer, literally begetter) is the element with atomic number 8 and represented by the symbol O. It is a...
x Fluorine 7782-41-4 F 9
Fluorine is a chemical element, represented by the symbol F, and the atomic number 9. Fluorine forms a single bond with itself in elemental form, resulting in the diatomic F2 molecule. F2 is a supremely reactive, poisonous, pale, yellowish brown gas...
x Gallium Ga-TableImage 7440-55-3 Ga 31
Gallium (pronounced /ˈɡæliəm/) is a chemical element that has the symbol Ga and atomic number 31. Elemental gallium does not occur in nature, but as the Ga (III) salt, in trace amounts in bauxite and zinc ores. A soft silvery metallic poor metal,...
x Ytterbium Yb-TableImage 7440-64-4 Yb 70
Ytterbium (pronounced /ɨˈtɜrbiəm/) is a chemical element with the symbol Yb and atomic number 70. A soft silvery metallic element, ytterbium is a rare earth of the lanthanide series and is found in the minerals gadolinite, monazite, and xenotime....
x Neon 7440-01-9 Ne 10
Neon (pronounced /ˈniːɒn/) is the chemical element that has the symbol Ne and atomic number 10. Although a very common element in the universe, it is rare on Earth. A colorless, inert noble gas under standard conditions, neon gives a distinct...
x Tungsten W-TableImage 7440-33-7 W 74
Tungsten (pronounced /ˈtʌŋstən/), also known as wolfram (/ˈwʊlfrəm/), is a chemical element with the chemical symbol W and atomic number 74. A steel-gray metal, tungsten is found in several ores, including wolframite and scheelite. It is remarkable...
x Rhenium Re-TableImage 7440-15-5 Re 75
Rhenium (pronounced /ˈriːniəm/) is a chemical element with the symbol Re and atomic number 75. It is a silvery-white, heavy, third-row transition metal in group 7 of the periodic table. With an average concentration of 1 part per billion (ppb),...
x Zinc Zinc in the periodic table of the elements 7440-66-6 Zn 30
Zinc (pronounced /ˈzɪŋk/, from German: Zink and also known as spelter) is a metallic chemical element with the symbol Zn and atomic number 30. It is a first-row transition metal in group 12 of the periodic table. Zinc is chemically similar to...
x Uranium 7440-61-1 U 92
Uranium (pronounced /jʊˈreɪniəm/) is a silvery-white metallic chemical element in the actinide series of the periodic table that has the symbol U and atomic number 92. Besides its 92 protons, a uranium nucleus can have between 141 and 146 neutrons,...
x Ununhexium Uuh-TableImage 54100-71-9 Uuh 116
Ununhexium (pronounced /ˌjuːnənˈhɛksiəm/; officially, the two initial u's are to be pronounced /uː/  ( listen)) is the temporary name of a synthetic superheavy element in the periodic table that has the temporary symbol Uuh and has the atomic number...
x Roentgenium Rg-TableImage 54386-24-2 Rg 111
Roentgenium (pronounced /rʌntˈgɛniəm/ ( listen)) is a chemical element in the periodic table that has the symbol Rg and atomic number 111. Roentgenium is a synthetic element whose most stable known isotope has a mass number of 280 and a half-life of...
x Curium Cm-TableImage 7440-51-9 Cm 96
Curium (pronounced /ˈkjuːriəm/) is a synthetic chemical element with the symbol Cm and atomic number 96. A radioactive metallic transuranic element of the actinide series, curium is produced by bombarding plutonium with alpha particles (helium ions)...
x Antimony Antimony in the periodic table of the elements 7440-36-0 Sb 51
Antimony (pronounced /ænˈtɪmənɪ/ (UK) or /ˈæntɨmoʊni/ (US)) is a chemical element with the symbol Sb (Latin: stibium, meaning "mark") and atomic number 51. A metalloid, antimony has four allotropic forms. The stable form of antimony is a blue-white...
x Ruthenium Ru-TableImage 7440-18-8 Ru 44
Ruthenium (pronounced /ruːˈθiːniəm/) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in...
x Vanadium 7440-62-2 V 23
Vanadium (pronounced /vəˈneɪdiəm/) is the chemical element with the symbol V and atomic number 23. It is a soft, silvery grey, ductile transition metal. The formation of an oxide layer stabilizes the metal against oxidation. Andrés Manuel del Río...
x Niobium Nb-TableImage 7440-03-1 Nb 41
Niobium (pronounced /naɪˈoʊbiəm/) (Greek mythology: Niobe, daughter of Tantalus), or columbium (/kəˈlʌmbiəm/), is the chemical element with the symbol Nb and the atomic number 41. A rare, soft, grey, ductile transition metal, niobium is found in the...
x Praseodymium Pr-TableImage 7440-10-0 Pr 59
Praseodymium (pronounced /ˌpreɪzi.ɵˈdɪmiəm/ or /ˌpreɪsioʊˈdɪmiəm/) is a chemical element that has the symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanoid group. It is somewhat more resistant...
x Americium Americium in the periodic table of the elements 7440-35-9 Am 95
Americium (pronounced /ˌæməˈrɪsiəm/) is a synthetic element that has the symbol Am and atomic number 95. A radioactive metallic element, americium is an actinide that was obtained in 1944 by Glenn T. Seaborg who was bombarding plutonium with...
x Osmium Os-TableImage 7440-04-2 Os 76
Osmium (pronounced /ˈɒzmiəm/) is a chemical element that has the symbol Os and atomic number 76. Osmium is a hard, brittle, blue-gray or blue-black transition metal in the platinum family, and is the densest natural element. The density of osmium is...
x Neptunium Np-TableImage 7439-99-8 Np 93
Neptunium (pronounced /nɛpˈtjuːniəm/) is a chemical element with the symbol Np and atomic number 93. A radioactive metallic element, neptunium is the first transuranic element and belongs to the actinide series. Its most stable isotope, Np, is a by...
x Magnesium 7439-95-4 Mg 12
Magnesium (pronounced /mæɡˈniːziəm/) is a chemical element with the symbol Mg, atomic number 12, atomic weight 24.3050 and common oxidation number +2. Magnesium, an alkaline earth metal, is the ninth most abundant element in the universe by mass....
x Silver Ag-TableImage 7440-22-4 Ag 47
Silver is a chemical element with the chemical symbol Ag (Latin: argentum, from the Ancient Greek: ἀργήεντος - argēentos, gen. of ἀργήεις - argēeis, "white, shining" ) and atomic number 47. A soft, white, lustrous transition metal, it has the...
x Phosphorus 7723-14-0 P 15
Phosphorus (pronounced /ˈfɒsfərəs/) is the chemical element that has the symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus is commonly found in inorganic phosphate rocks. Elemental phosphorus exists in two major...
x Nobelium No-TableImage 10028-14-5 No 102
Nobelium (pronounced /noʊˈbɛliəm/ or /noʊˈbiːliəm/) is a synthetic element with the symbol No and atomic number 102. It was first correctly identified in 1956 by scientists at the Flerov Laboratory of Nuclear Reactions in Dubna, Russia. Little is...
x Hafnium Hf-TableImage 7440-58-6 Hf 72
Hafnium (pronounced /ˈhæfniəm/) is a chemical element with the symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent, transition metal, hafnium chemically resembles zirconium and is found in zirconium minerals. Its existence was...
x Calcium 7440-70-2 Ca 20
Calcium (pronounced /ˈkælsiəm/) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078 amu. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth's crust....
x Fermium Fm-TableImage 7440-72-4 Fm 100
Fermium (pronounced /ˈfɜrmiəm/) is a synthetic element with the symbol Fm and atomic number 100. A highly radioactive metallic transuranic element of the actinide series, fermium is made by bombarding plutonium with neutrons and is named after...