synthetic element
chemical element that does not occur naturally on Earth, and can only be created artificially
meitnerium
chemical element with atomic number 109 and symbol Mt
hassium
chemical element with the atomic number of 108
promethium
chemical element with the atomic number of 61
mendelevium
chemical element with the atomic number of 101 and symbol Md
rutherfordium
chemical element with the atomic number of 104
einsteinium
chemical element with the atomic number of 99
technetium
chemical element with symbol Tc and atomic number 43
curium
chemical element with the atomic number of 96
lawrencium
chemical element with the atomic number of 103
fermium
chemical element with the atomic number of 100
nobelium
chemical element with the atomic number of 102 and symbol No
bohrium
chemical element with the atomic number of 107
astatine
chemical element with symbol At and atomic number 85
seaborgium
chemical element with the atomic number of 106
californium
chemical element with the atomic number of 98
berkelium
element with the atomic number of 97