Elementi per numero atomico: differenze tra le versioni

Versione delle 14:52, 19 mar 2024

Versione attuale delle 07:18, 24 nov 2024

Riga 27:

![[Punto di fusione|Temperatura<br /> di fusione]]<br />(°C)

![[Punto di ebollizione|Temperatura<br /> di ebollizione]]<br />(°C)

!Anno della<br />scoperta

!Scopritore

|-style="background-color:#a0ffa0"

|1||[[Idrogeno]]||H||1, 1||1,00794(7)<ref name="due">La composizione isotopica di questo elemento varia in alcuni campioni geologici, e la variazione può superare l'incertezza riportata in tabella.</ref><ref name="tre">La composizione isotopica dell'elemento può variare in materiali commerciali. Ciò può causare deviazioni significative del peso atomico effettivo rispetto al valore riportato.</ref><ref name="quattro">La composizione isotopica nei materiali terrestri varia a tal punto che non si può riportare un peso atomico più preciso.</ref>||0,084 g/l||−259,1||−252,9||1766||[[Henry Cavendish|Cavendish]]

|-style="background-color:#c0ffff"

|2||[[Elio]]||He||1, 18||4,002602(2)<ref name="due"/><ref name="quattro"/>||0,17 g/l||−272,2<br />(a 2,5 MPa)||−268,9||1895||[[William Ramsay|Ramsay]] e [[Per Teodor Cleve|Cleve]]

|-style="background-color:#ff6666"

|3||[[Litio]]||Li||2, 1||6,941(2)<ref name="due"/><ref name="tre"/><ref name="quattro"/><ref name="cinque">Il peso atomico del Litio in commercio può variare tra 6,939 e 6,996 g/mol. È necessaria un'analisi del materiale specifico per trovare un valore più accurato.</ref>||0,53||180,5||1317||1817||[[Johan August Arfwedson|Arfwedson]]

|-style="background-color:#ffdead"

|4||[[Berillio]]||Be||2, 2||9,012182(3)||1,85||1278||2970||1797||[[Louis Nicolas Vauquelin|Vauquelin]]

|-style="background-color:#cccc99"

|5||[[Boro]]||B||2, 13||10,811(7)<ref name="due"/><ref name="tre"/><ref name="quattro"/>||2,46||2300||2550||1808||[[Humphry Davy|Davy]] e [[Joseph Louis Gay-Lussac|Gay-Lussac]]

|-style="background-color:#a0ffa0"

|6||[[Carbonio]]||C||2, 14||12,0107(8)<ref name="due"/><ref name="quattro"/>||3,51||3550||4827||dall'antichità||sconosciuto

|-style="background-color:#a0ffa0"

|7||[[Azoto]]||N||2, 15||14,0067(2)<ref name="due"/><ref name="quattro"/>||1,17 g/l||−209,9||−195,8||1772||[[Daniel Rutherford|Rutherford]]

|-style="background-color:#a0ffa0"

|8||[[Ossigeno]]||O||2, 16||15,9994(3)<ref name="due"/><ref name="quattro"/>||1,33 g/l||−218,4||−182,9||1774||[[Joseph Priestly|Priestly]] e [[Carl Scheele|Scheele]]

|-style="background-color:#ffff99"

|9||[[Fluoro]]||F||2, 17||18,9984032(5)||1,58 g/l||−219,6||−188,1||1886||[[Henri Moissan|Moissan]]

|-style bgcolor="#c0ffff"

|10||[[Neon]]||Ne||2, 18||20,1797(6)<ref name="due"/><ref name="tre"/>||0,84 g/l||−248,7||−246,1||1898||[[William Ramsay|Ramsay]] e [[Morris Travers|Travers]]

|-style="background-color:#ff6666"

|11||[[Sodio]]||Na||3, 1||22,98976928(2)||0,97||97,8||892||1807||[[Humphry Davy|Davy]]

|-style="background-color:#ffdead"

|12||[[Magnesio]]||Mg||3, 2||24,3050(6)||1,74||648,8||1107||1755||[[Joseph Black|Black]]

|-style="background-color:#cccccc"

|13||[[Alluminio]]||Al||3, 13||26,9815386(8)||2,70||660,5||2467||1825||[[Hans Christian Ørsted|Ørsted]]

|-style="background-color:#cccc99"

|14||[[Silicio]]||Si||3, 14||28,0855(3)<ref name="quattro"/>||2,33||1410||2355||1824||[[Jöns Jacob Berzelius|Berzelius]]

|-style="background-color:#a0ffa0"

|15||[[Fosforo]]||P||3, 15||30,973762(2)||1,82||44 (P4)||280&nbsp;(P4)||1669||[[Henning Brand|Brand]]

|-style="background-color:#a0ffa0"

|16||[[Zolfo]]||S||3, 16||32,065(5)<ref name="due"/><ref name="quattro"/>||2,06||113||444,7||dall'antichità||sconosciuto

|-style="background-color:#ffff99"

|17||[[Cloro]]||Cl||3, 17||35,453(2)<ref name="due"/><ref name="tre"/><ref name="quattro"/>||2,95 g/l||−34,6||−101||1774||[[Carl Scheele|Scheele]]

|-style="background-color:#c0ffff"

|18||[[Argon]]||Ar||3, 18||39,948(1)<ref name="due"/><ref name="quattro"/>||1,66 g/l||−189,4||−185,9||1894||[[William Ramsay|Ramsay]] e [[John William Strutt Rayleigh|Rayleigh]]

|-style="background-color:#ff6666"

|19||[[Potassio]]||K||4, 1||39,0983(1)||0,86||63,7||774||1807||[[Humphry Davy|Davy]]

|-style="background-color:#ffdead"

|20||[[Calcio (elemento chimico)|Calcio]]||Ca||4, 2||40,078(4)<ref name="due"/>||1,54||839||1487||1808||[[Humphry Davy|Davy]]

|-style="background-color:#ffc0c0"

|21||[[Scandio]]||Sc||4, 3||44,955912(6)||2,99||1539||2832||1879||[[Lars Fredrik Nilson|Nilson]]

|-style="background-color:#ffc0c0"

|22||[[Titanio]]||Ti||4, 4||47,867(1)||4,51||1660||3260||1791||[[William Gregor|Gregor]] e [[Martin Heinrich Klaproth|Klaproth]]

|-style="background-color:#ffc0c0"

|23||[[Vanadio]]||V||4, 5||50,9415(1)||6,09||1890||3380||1801||[[Andrés Manuel del Río|del Río]]<ref>Fu riscoperto da [[Nils Gabriel Sefström]] nel [[1830]]</ref>

|-style="background-color:#ffc0c0"

|24||[[Cromo]]||Cr||4, 6||51,9961(6)||7,14||1857||2482||1797||[[Louis Nicolas Vauquelin|Vauquelin]]

|-style="background-color:#ffc0c0"

|25||[[Manganese]]||Mn||4, 7||54,938045(5)||7,44||1244||2097||1774||[[Johan Gottlieb Gahn|Gahn]]

|-style="background-color:#ffc0c0"

|26||[[Ferro]]||Fe||4, 8||55,845(2)||7,87||1535||2750||dall'antichità||sconosciuto

|-style="background-color:#ffc0c0"

|27||[[Cobalto]]||Co||4, 9||58,933195(5)||8,89||1495||2870||1735||[[Georg Brandt|Brandt]]

|-style="background-color:#ffc0c0"

|28||[[Nichel]]||Ni||4, 10||58,6934(2)||8,91||1453||2732||1751||[[Axel Fredrik Cronstedt|Cronstedt]]

|-style="background-color:#ffc0c0"

|29||[[Rame]]||Cu||4, 11||63,546(3)<ref name="quattro"/>||8,92||1083,5||2595||dall'antichità||sconosciuto

|-style="background-color:#ffc0c0"

|30||[[Zinco]]||Zn||4, 12||65,409(4)||7,14||419,6||907||1526||[[Paracelso]]

|-style="background-color:#cccccc"

|31||[[Gallio (elemento chimico)|Gallio]]||Ga||4, 13||69,723(1)||5,91||29,8||2403||1875||[[Paul Émile Lecoq de Boisbaudran|Lecoq de Boisbaudran]]

|-style="background-color:#cccc99"

|32||[[Germanio]]||Ge||4, 14||72,64(1)||5,32||937,4||2830||1886||[[Clemens Winkler|Winkler]]

|-style="background-color:#cccc99"

|33||[[Arsenico]]||As||4, 15||74,92160(2)||5,72||613||613 ([[Sublimazione|subl.]])||1250||[[Alberto Magno]]

|-style="background-color:#a0ffa0"

|34||[[Selenio]]||Se||4, 16||78,96(3)<ref name="quattro"/>||4,82||217||685||1817||[[Jöns Jacob Berzelius|Berzelius]]

|-style="background-color:#ffff99"

|35||[[Bromo]]||Br||4, 17||79,904(1)||3,14||−7,3||58,8||1826||[[Antoine Jérôme Balard|Balard]]

|-style="background-color:#c0ffff"

|36||[[Kripton]]||Kr||4, 18||83,798(2)<ref name="due"/><ref name="tre"/>||3,48 g/l||−156,6||−152,3||1898||[[William Ramsay|Ramsay]] e [[Morris Travers|Travers]]

|-style="background-color:#ff6666"

|37||[[Rubidio]]||Rb||5, 1||85,4678(3)<ref name="due"/>||1,53||39||688||1861||[[Robert Wilhelm Bunsen|Bunsen]] e [[Gustav Robert Kirchhoff|Kirchhoff]]

|-style="background-color:#ffdead"

|38||[[Stronzio]]||Sr||5, 2||87,62(1)<ref name="due"/><ref name="quattro"/>||2,99||799||1384||1790||[[Altair Craftbook|Craftbook]]

|-style="background-color:#ffc0c0"

|39||[[Ittrio]]||Y||5, 3||88,90585(2)||4,47||1523||3337||1794||[[Johan Gadolin|Gadolin]]

|-style="background-color:#ffc0c0"

|40||[[Zirconio]]||Zr||5, 4||91,224(2)<ref name="due"/>||6,51||1852||4377||1789||[[Martin Heinrich Klaproth|Klaproth]]

|-style="background-color:#ffc0c0"

|41||[[Niobio]]||Nb||5, 5||92,906 38(2)||8,58||2468||4927||1801||[[Charles Hatchett|Hatchett]]

|-style="background-color:#ffc0c0"

|42||[[Molibdeno]]||Mo||5, 6||95,94(2)<ref name="due"/>||10,28||2617||5560||1778||[[Carl Scheele|Scheele]]

|-style="background-color:#ffc0c0"

|43||[[Tecnezio]]||Tc||5, 7||[98,9063]<ref name="uno">L'elemento non ha nuclidi stabili e un valore fra parentesi. Ad esempio [209] indica la massa atomica dell'isotopo più longevo dell'elemento o composizione isotopica caratteristica.</ref>||11,49||2172||5030||1937||[[Carlo Perrier|Perrier]] e [[Emilio Segrè|Segrè]]

|-style="background-color:#ffc0c0"

|44||[[Rutenio]]||Ru||5, 8||101,07(2)<ref name="due"/>||12,45||2310||3900||1844||[[Karl Klaus|Klaus]]

|-style="background-color:#ffc0c0"

|45||[[Rodio]]||Rh||5, 9||102,90550(2)||12,41||1966||3727||1803||[[William Hyde Wollaston|Wollaston]]

|-style="background-color:#ffc0c0"

|46||[[Palladio (elemento chimico)|Palladio]]||Pd||5, 10||106,42(1)<ref name="due"/>||12,02||1552||3140||1803||[[William Hyde Wollaston|Wollaston]]

|-style="background-color:#ffc0c0"

|47||[[Argento]]||Ag||5, 11||107,8682(2)<ref name="due"/>||10,49||961,9||2212||dall'antichità||sconosciuto

|-style="background-color:#ffc0c0"

|48||[[Cadmio]]||Cd||5, 12||112,411(8)<ref name="due"/>||8,64||321||765||1817||[[Friedrich Stromeyer|Stromeyer]] e [[Karl Samuel Leberecht Hermann|Hermann]]

|-style="background-color:#cccccc"

|49||[[Indio]]||In||5, 13||114,818(3)||7,31||156,2||2080||1863||[[Ferdinand Reich|Reich]] e [[Hieronymous Theodor Richter|Richter]]

|-style="background-color:#cccccc"

|50||[[Stagno (metallo)|Stagno]]||Sn||5, 14||118,710(7)<ref name="due"/>||7,29||232||2270||dall'antichità||sconosciuto

|-style="background-color:#cccc99"

|51||[[Antimonio]]||Sb||5, 15||121,760(1)<ref name="due"/>||6,69||630,7||1750||1540||[[Vannoccio Biringuccio|Biringuccio]]

|-style="background-color:#cccc99"

|52||[[Tellurio]]||Te||5, 16||127,60(3)<ref name="due"/>||6,25||449,6||990||1782||[[Franz-Joseph Müller von Reichenstein|von Reichenstein]]

|-style="background-color:#ffff99"

|53||[[Iodio]]||I||5, 17||126,90447(3)||4,94||113,5||184,4||1811||[[Bernard Courtois|Courtois]]

|-style="background-color:#c0ffff"

|54||[[Xeno]]||Xe||5, 18||131,293(6)<ref name="due"/><ref name="tre"/>||4,49 g/l||−111,9||−107||1898||[[William Ramsay|Ramsay]] e [[Morris Travers|Travers]]

|-style="background-color:#ff6666"

|55||[[Cesio (elemento chimico)|Cesio]]||Cs||6, 1||132,9054519(2)||1,90||28,4||690||1860||[[Gustav Robert Kirchhoff|Kirchhoff]] e [[Robert Wilhelm Bunsen|Bunsen]]

|-style="background-color:#ffdead"

|56||[[Bario]]||Ba||6, 2||137,327(7)||3,65||725||1640||1808||[[Humphry Davy|Davy]]

|-style="background-color:#ffbfff"

|57||[[Lantanio]]||La||6||138,90547(7)<ref name="due"/>||6,16||920||3454||1839||[[Carl Gustav Mosander|Mosander]]

|-style="background-color:#ffbfff"

|58||[[Cerio]]||Ce||6||140,116(1)<ref name="due"/>||6,77||798||3257||1803||[[Jöns Jacob Berzelius|Berzelius]] e [[Wilhelm Hisinger|Hisinger]]

|-style="background-color:#ffbfff"

|59||[[Praseodimio]]||Pr||6||140,90765(2)||6,48||931||3212||1895||[[Carl Auer von Welsbach|von Welsbach]]

|-style="background-color:#ffbfff"

|60||[[Neodimio]]||Nd||6||144,242(3)<ref name="due"/>||7,00||1010||3127||1895||[[Carl Auer von Welsbach|von Welsbach]]

|-style="background-color:#ffbfff"

|61||[[Promezio]]||Pm||6||[146,9151]<ref name="uno"/>||7,22||1080||2730||1945||[[Jacob A. Marinsky|Marinsky]] e [[Lawrence E. Glendenin|Glendenin]]

|-style="background-color:#ffbfff"

|62||[[Samario]]||Sm||6||150,36(2)<ref name="due"/>||7,54||1072||1778||1879||[[Paul Émile Lecoq de Boisbaudran|Lecoq de Boisbaudran]]

|-style="background-color:#ffbfff"

|63||[[Europio]]||Eu||6||151,964(1)<ref name="due"/>||5,25||822||1597||1901||[[Eugène-Antole Demarçay|Demarçay]]

|-style="background-color:#ffbfff"

|64||[[Gadolinio]]||Gd||6||157,25(3)<ref name="due"/>||7,89||1311||3233||1880||[[Jean Charles Galissard de Marignac|de Marignac]]

|-style="background-color:#ffbfff"

|65||[[Terbio]]||Tb||6||158,92535(2)||8,25||1360||3041||1843||[[Carl Gustav Mosander|Mosander]]

|-style="background-color:#ffbfff"

|66||[[Disprosio]]||Dy||6||162,500(1)<ref name="due"/>||8,56||1409||2335||1886||[[Paul Émile Lecoq de Boisbaudran|Lecoq de Boisbaudran]]

|-style="background-color:#ffbfff"

|67||[[Olmio]]||Ho||6||164,93032(2)||8,78||1470||2720||1878||[[Jacques Louis Soret|Soret]]

|-style="background-color:#ffbfff"

|68||[[Erbio]]||Er||6||167,259(3)<ref name="due"/>||9,05||1522||2510||1842||[[Carl Gustav Mosander|Mosander]]

|-style="background-color:#ffbfff"

|69||[[Tulio]]||Tm||6||168,93421(2)||9,32||1545||1727||1879||[[Per Teodor Cleve|Cleve]]

|-style="background-color:#ffbfff"

|70||[[Itterbio]]||Yb||6||173,04(3)<ref name="due"/>||6,97||824||1193||1878||[[Jean Charles Galissard de Marignac|de Marignac]]

|-style="background-color:#ffbfff"

|71||[[Lutezio]]||Lu||6, 3||174,967(1)<ref name="due"/>||9,84||1656||3315||1907||[[Georges Urbain|Urbain]]

|-style="background-color:#ffc0c0"

|72||[[Afnio]]||Hf||6, 4||178,49(2)||13,31||2150||5400||1923||[[Dirk Coster|Coster]] e [[George Charles de Hevesy|de Hevesy]]

|-style="background-color:#ffc0c0"

|73||[[Tantalio]]||Ta||6, 5||180,9479(1)||16,68||2996||5425||1802||[[Anders Gustav Ekeberg|Ekeberg]]

|-style="background-color:#ffc0c0"

|74||[[Tungsteno]]||W||6, 6||183,84(1)||19,26||3407||5927||1783||[[Fausto Elhuyar|Elhuyar]]

|-style="background-color:#ffc0c0"

|75||[[Renio]]||Re||6, 7||186,207(1)||21,03||3180||5627||1925||[[Walter Noddack|Noddack]], [[Ida Tacke|Tacke]] e Berg

|-style="background-color:#ffc0c0"

|76||[[Osmio]]||Os||6, 8||190,23(3)<ref name="due"/>||22,61||3045||5027||1803||[[Smithson Tennant|Tennant]]

|-style="background-color:#ffc0c0"

|77||[[Iridio]]||Ir||6, 9||192,217(3)||22,65||2410||4130||1803||[[Smithson Tennant|Tennant]]

|-style="background-color:#ffc0c0"

|78||[[Platino]]||Pt||6, 10||195,084(9)||21,45||1772||3827||1557||[[Giulio Cesare Scaligero|Scaligero]]

|-style="background-color:#ffc0c0"

|79||[[Oro]]||Au||6, 11||196,966569(4)||19,32||1064,4||2940||dall'antichità||sconosciuto

|-style="background-color:#ffc0c0"

|80||[[Mercurio (elemento chimico)|Mercurio]]||Hg||6, 12||200,59(2)||13,55||−38,9||356,6||dall'antichità||sconosciuto

|-style="background-color:#cccccc"

|81||[[Tallio]]||Tl||6, 13||204,3833(2)||11,85||303,6||1457||1861||[[William Crookes|Crookes]]

|-style="background-color:#cccccc"

|82||[[Piombo]]||Pb||6, 14||207,2(1)<ref name="due"/><ref name="quattro"/>||11,34||327,5||1740||dall'antichità||sconosciuto

|-style="background-color:#cccccc"

|83||[[Bismuto]]||Bi||6, 15||208,98040(1)||9,80||271,4||1560||1753||[[Claude François Geoffroy|Geoffroy]]

|-style="background-color:#cccc99"

|84||[[Polonio]]||Po||6, 16||[208,9824]<ref name="uno"/>||9,20||254||962||1898||[[Marie Curie|Marie]] e [[Pierre Curie]]

|-style="background-color:#ffff99"

|85||[[Astato]]||At||6, 17||[209,9871]<ref name="uno"/>||9,32||302||337||1940||[[Emilio Segrè|Segrè]], [[Dale Raymond Corson|Corson]] e [[Kenneth Ross MacKenzie|MacKenzie]]

|-style="background-color:#c0ffff"

|86||[[Radon]]||Rn||6, 18||[222,0176]<ref name="uno"/>||9,23 g/l||−71||−61,8||1900||[[Friedrich Ernst Dorn|Dorn]]

|-style="background-color:#ff6666"

|87||[[Francio]]||Fr||7, 1||[223,0197]<ref name="uno"/>||1,87||27||677||1939||[[Marguerite Perey|Perey]]

|-style="background-color:#ffdead"

|88||[[Radio (elemento chimico)|Radio]]||Ra||7, 2||[226,0254]<ref name="uno"/>||5,50||700||1140||1898||[[Marie Curie|Marie]] e [[Pierre Curie]]

|-style="background-color:#ff99cc"

|89||[[Attinio]]||Ac||7||[227,0278]<ref name="uno"/>||10,07||1047||3197||1899||[[André-Louis Debierne|Debierne]]

|-style="background-color:#ff99cc"

|90||[[Torio]]||Th||7||232,03806(2)<ref name="uno"/><ref name="due"/>||11,72||1750||4787||1829||[[Jöns Jacob Berzelius|Berzelius]]

|-style="background-color:#ff99cc"

|91||[[Protoattinio]]||Pa||7||231,03588(2)<ref name="uno"/>||15,37||1554||4030||1917||[[Frederick Soddy|Soddy]], [[John Cranston|Cranston]] e [[Otto Hahn|Hahn]]

|-style="background-color:#ff99cc"

|92||[[Uranio]]||U||7||238,02891(3)<ref name="uno"/><ref name="due"/><ref name="tre"/>||18,97||1132,4||3818||1789||[[Martin Heinrich Klaproth|Klaproth]]

|-style="background-color:#ff99cc"

|93||[[Nettunio]]||Np||7||[237,0482]<ref name="uno"/>||20,48||640||3902||1940||[[Edwin McMillan|McMillan]] e [[Philip Hauge Abelson|Abelson]]

|-style="background-color:#ff99cc"

|94||[[Plutonio]]||Pu||7||[244,0642]<ref name="uno"/>||19,74||641||3327||1940||[[Glenn Theodore Seaborg|Seaborg]]

|-style="background-color:#ff99cc"

|95||[[Americio]]||Am||7||[243,0614]<ref name="uno"/>||13,67||994||2607||1944||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|96||[[Curio]]||Cm||7||[247,0703]<ref name="uno"/>||13,51||1340||||1944||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|97||[[Berkelio]]||Bk||7||[247,0703]<ref name="uno"/>||13,25||986||||1949||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|98||[[Californio]]||Cf||7||[251,0796]<ref name="uno"/>||15,1||900||||1950||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|99||[[Einsteinio]]||Es||7||[252,0829]<ref name="uno"/>||||860||||1952||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|100||[[Fermio]]||Fm||7||[257,0951]<ref name="uno"/>||||||||1952||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|101||[[Mendelevio]]||Md||7||[258,0986]<ref name="uno"/>||||||||1955||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|102||[[Nobelio]]||No||7||[259,1009]<ref name="uno"/>||||||||1958||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ff99cc"

|103||[[Laurenzio]]||Lr||7, 3||[260,1053]<ref name="uno"/>||||||||1961||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ffc0c0"

|104||[[Rutherfordio]]||Rf||7, 4||[261,1087]<ref name="uno"/>||||||||1964||[[Georgij Flërov|Flërov]]

|-style="background-color:#ffc0c0"

|105||[[Dubnio]]||Db||7, 5||[262,1138]<ref name="uno"/>||||||||1967||[[Georgij Flërov|Flërov]]

|-style="background-color:#ffc0c0"

|106||[[Seaborgio]]||Sg||7, 6||[263,1182]<ref name="uno"/>||||||||1974||[[Albert Ghiorso|Ghiorso]]

|-style="background-color:#ffc0c0"

|107||[[Bohrio]]||Bh||7, 7||[262,1229]<ref name="uno"/>||||||||1976||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0">[[Gesellschaft für Schwerionenforschung]], Wixhausen, Darmstadt, Germania</ref>

|-style="background-color:#ffc0c0"

|108||[[Hassio]]||Hs||7, 8||[265]<ref name="uno"/>||||||||1984||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0" />

|-style="background-color:#ffc0c0"

|109||[[Meitnerio]]||Mt||7, 9||[266]<ref name="uno"/>||||||||1982||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0" />

|-style="background-color:#ffc0c0"

|110||[[Darmstadtio]]||Ds||7, 10||[269]<ref name="uno"/>||||||||1994||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0" />

|-style="background-color:#ffc0c0"

|111||[[Roentgenio]]||Rg||7, 11||[272]<ref name="uno"/>||||||||1994||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0" />

|-style="background-color:#ffc0c0"

|112||[[Copernicio]]||Cn||7, 12||[285]<ref name="uno"/>||||||||1996||[[Gesellschaft für Schwerionenforschung|GSI]]<ref name=":0" />

|-style="background-color:#cccccc"

|113||[[Nihonio]]||Nh||7, 13||[284]<ref name="uno"/>||||||||2004||[[RIKEN]]<ref>[[RIKEN|Rikagaku Kenkyūsho]] (理化学研究所), Tokyo, Kantō, Giappone</ref>

|-style="background-color:#cccccc"

|114||[[Flerovio]]||Fl||7, 14||[289]<ref name="uno"/>||||||

|114||[[Flerovio]]||Fl||7, 14||[289]<ref name="uno"/>||||||||1999||[[Istituto unito per la ricerca nucleare|JINR]]<ref name=":1">[[Istituto unito per la ricerca nucleare|Joint Institute for Nuclear Research]] (Объединённый институт ядерных исследований), Dubna, Oblast di Mosca, Russia</ref>

|-style="background-color:#cccccc"

|115||[[Moscovio]]||Mc||7, 15||[288]<ref name="uno"/>||||||||2004||[[Istituto unito per la ricerca nucleare|JINR]]<ref name=":1" /> e [[Lawrence Livermore National Laboratory|LLNL]]<ref name=":2">[[Lawrence Livermore National Laboratory]], Livermore, California, USA</ref>

|-style="background-color:#cccccc"

|116||[[Livermorio]]||Lv||7, 16||[292]<ref name="uno"/>||||||||1999||[[Istituto unito per la ricerca nucleare|JINR]]<ref name=":1" /> e [[Lawrence Livermore National Laboratory|LLNL]]<ref name=":2" />

|-style="background-color:#fcfece"

|117||[[Tennesso]]||Ts||7, 17||[294]<ref name="uno"/>||||||||2010||[[Istituto unito per la ricerca nucleare|JINR]]<ref name=":1" /> e [[Lawrence Livermore National Laboratory|LLNL]]<ref name=":2" />

|-style="background-color:#ecfefc"

|118||[[Oganesson]]||Og||7, 18||[294]<ref name="uno"/>||||||||1999||[[Jurij Colakovič Oganesian|Oganesian]]

|}

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