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Elements that Aren't Found in Nature

Synthetic Elements are elements on the periodic table that (most of the time) cannot be found naturally on Earth. Can you name them all?
Includes elements that can be naturally found but are usually synthesized
* indicates an element that can be found in nature (rarely)
Source: Wikipedia's Synthetic Elements article
Quiz by Jarl5
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Last updated: July 8, 2017
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First submittedJuly 5, 2017
Times taken13
Average score51.5%
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Chemical Symbol
Atomic #
Answer
Tc
43*
Technetium
Pm
61*
Promethium
Po
84*
Polonium
At
85*
Astatine
Fr
87*
Francium
Ac
89*
Actinium
Pa
91*
Protactinium
Np
93*
Neptunium
Pu
94*
Plutonium
Am
95
Americium
Cm
96
Curium
Bk
97
Berkelium
Cf
98
Californium
Es
99
Einsteinium
Fm
100
Fermium
Md
101
Mendelevium
No
102
Nobelium
Chemical Symbol
Atomic #
Answer
Lr
103
Lawrencium
Rf
104
Rutherfordium
Db
105
Dubnium
Sg
106
Seaborgium
Bh
107
Bohrium
Hs
108
Hassium
Mt
109
Meitnerium
Ds
110
Darmstadtium
Rg
111
Roentgenium
Cn
112
Copernicium
Nh
113
Nihonium
Fl
114
Flerovium
Mc
115
Moscovium
Lv
116
Livermorium
Ts
117
Tennessine
Og
118
Oganesson
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