PT/Chem: Radioactive Elements - 21 Random

Type the Element name for the given symbol.
The 37 radioactive elements are #43, #61, and #84 thru #118.
Only four exist naturally on earth - Radon, Radium, Thorium, & Uranium.
See also PT/Chem: Elements 1-95 and PT/Chem: Symbols 1-15
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Sonmi42
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Last updated: March 13, 2026
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First submittedApril 18, 2024
Times taken143
Average score57.1%
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Atomic
#
Sym
Element
95
Am
Americium
103
Lr
Lawrencium
100
Fm
Fermium
94
Pu
Plutonium
117
Ts
Tennessine
86
Rn
Radon
85
At
Astatine
108
Hs
Hassium
113
Nh
Nihonium
88
Ra
Radium
102
No
Nobelium
114
Fl
Flerovium
110
Ds
Darmstadtium
89
Ac
Actinium
99
Es
Einsteinium
116
Lv
Livermorium
111
Rg
Roentgenium
106
Sg
Seaborgium
93
Np
Neptunium
61
Pm
Promethium
109
Mt
Meitnerium
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