List of Synthetic Elements
The following elements do not occur naturally on Earth. All are transuranium elements and have atomic numbers of 99 and higher.
| Element name | Chemical Symbol |
Atomic Number |
First definite synthesis |
|---|---|---|---|
| Einsteinium | Es | 99 | 1952 |
| Fermium | Fm | 100 | 1952 |
| Mendelevium | Md | 101 | 1955 |
| Nobelium | No | 102 | 1966 |
| Lawrencium | Lr | 103 | 1961 |
| Rutherfordium | Rf | 104 | 1966 (USSR), 1969 (USA) * |
| Dubnium | Db | 105 | 1968 (USSR), 1970 (USA) * |
| Seaborgium | Sg | 106 | 1974 |
| Bohrium | Bh | 107 | 1981 |
| Hassium | Hs | 108 | 1984 |
| Meitnerium | Mt | 109 | 1982 |
| Darmstadtium | Ds | 110 | 1994 |
| Roentgenium | Rg | 111 | 1994 |
| Copernicium | Cn | 112 | 1996 |
| Ununtrium | Uut | 113 | 2003 |
| Flerovium | Fl | 114 | 1999 |
| Ununpentium | Uup | 115 | 2003 |
| Livermorium | Lv | 116 | 2000 |
| Ununseptium | Uus | 117 | 2010 |
| Ununoctium | Uuo | 118 | 2002 |
| * Shared credit for discovery. | |||
Read more about this topic: Synthetic Element
Famous quotes containing the words list of, list, synthetic and/or elements:
“Thirtythe promise of a decade of loneliness, a thinning list of single men to know, a thinning brief-case of enthusiasm, thinning hair.”
—F. Scott Fitzgerald (18961940)
“Every morning I woke in dread, waiting for the day nurse to go on her rounds and announce from the list of names in her hand whether or not I was for shock treatment, the new and fashionable means of quieting people and of making them realize that orders are to be obeyed and floors are to be polished without anyone protesting and faces are to be made to be fixed into smiles and weeping is a crime.”
—Janet Frame (b. 1924)
“In every philosophical school, three thinkers succeed one another in the following way: the first produces out of himself the sap and seed, the second draws it out into threads and spins a synthetic web, and the third waits in this web for the sacrificial victims that are caught in itand tries to live off philosophy.”
—Friedrich Nietzsche (18441900)
“It is a life-and-death conflict between all those grand, universal, man-respecting principles which we call by the comprehensive term democracy, and all those partial, person-respecting, class-favoring elements which we group together under that silver-slippered word aristocracy. If this war does not mean that, it means nothing.”
—Antoinette Brown Blackwell (18251921)