<P> The following elements do not occur naturally on Earth . All are transuranium elements and have atomic numbers of 95 and higher . </P> <Table> <Tr> <Th> Element name </Th> <Th> Chemical Symbol </Th> <Th> Atomic Number </Th> <Th> First definite synthesis </Th> </Tr> <Tr> <Td> Americium </Td> <Td> Am </Td> <Td> 95 </Td> <Td> 1944 </Td> </Tr> <Tr> <Td> Curium </Td> <Td> Cm </Td> <Td> 96 </Td> <Td> 1944 </Td> </Tr> <Tr> <Td> Berkelium </Td> <Td> Bk </Td> <Td> 97 </Td> <Td> 1949 </Td> </Tr> <Tr> <Td> Californium </Td> <Td> Cf </Td> <Td> 98 </Td> <Td> 1950 </Td> </Tr> <Tr> <Td> Einsteinium </Td> <Td> Es </Td> <Td> 99 </Td> <Td> 1952 </Td> </Tr> <Tr> <Td> Fermium </Td> <Td> Fm </Td> <Td> 100 </Td> <Td> 1952 </Td> </Tr> <Tr> <Td> Mendelevium </Td> <Td> Md </Td> <Td> 101 </Td> <Td> 1955 </Td> </Tr> <Tr> <Td> Nobelium </Td> <Td> No </Td> <Td> 102 </Td> <Td> 1966 </Td> </Tr> <Tr> <Td> Lawrencium </Td> <Td> Lr </Td> <Td> 103 </Td> <Td> 1971 </Td> </Tr> <Tr> <Td> Rutherfordium </Td> <Td> Rf </Td> <Td> 104 </Td> <Td> 1966 (USSR), 1969 (U.S.) * </Td> </Tr> <Tr> <Td> Dubnium </Td> <Td> Db </Td> <Td> 105 </Td> <Td> 1968 (USSR), 1970 (U.S.) * </Td> </Tr> <Tr> <Td> Seaborgium </Td> <Td> Sg </Td> <Td> 106 </Td> <Td> </Td> </Tr> <Tr> <Td> Bohrium </Td> <Td> Bh </Td> <Td> 107 </Td> <Td> 1981 </Td> </Tr> <Tr> <Td> Hassium </Td> <Td> Hs </Td> <Td> 108 </Td> <Td> 1984 </Td> </Tr> <Tr> <Td> Meitnerium </Td> <Td> Mt </Td> <Td> 109 </Td> <Td> 1982 </Td> </Tr> <Tr> <Td> Darmstadtium </Td> <Td> Ds </Td> <Td> 110 </Td> <Td> 1994 </Td> </Tr> <Tr> <Td> Roentgenium </Td> <Td> Rg </Td> <Td> 111 </Td> <Td> 1994 </Td> </Tr> <Tr> <Td> Copernicium </Td> <Td> Cn </Td> <Td> 112 </Td> <Td> </Td> </Tr> <Tr> <Td> Nihonium </Td> <Td> Nh </Td> <Td> 113 </Td> <Td> </Td> </Tr> <Tr> <Td> Flerovium </Td> <Td> Fl </Td> <Td> 114 </Td> <Td> </Td> </Tr> <Tr> <Td> Moscovium </Td> <Td> Mc </Td> <Td> 115 </Td> <Td> </Td> </Tr> <Tr> <Td> Livermorium </Td> <Td> Lv </Td> <Td> 116 </Td> <Td> </Td> </Tr> <Tr> <Td> Tennessine </Td> <Td> Ts </Td> <Td> 117 </Td> <Td> </Td> </Tr> <Tr> <Td> Oganesson </Td> <Td> Og </Td> <Td> 118 </Td> <Td> 2006 </Td> </Tr> <Tr> <Td_colspan="4"> * Shared credit for discovery . </Td> </Tr> </Table> <Tr> <Th> Element name </Th> <Th> Chemical Symbol </Th> <Th> Atomic Number </Th> <Th> First definite synthesis </Th> </Tr> <Tr> <Td> Americium </Td> <Td> Am </Td> <Td> 95 </Td> <Td> 1944 </Td> </Tr>

Where are the man made elements on the periodic table