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Rarest Elements On Earth

These are the rarest element in Earth's crust according to Wikipedia as of 2/27/2021 A.D.
The link to my source is here: Rarest Elements On Earth
This is only for the Earth's crust.
Quiz by LordPhil489
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Last updated: February 27, 2021
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First submittedFebruary 27, 2021
Times taken35
Average score40.0%
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Abundance In Crust (PPM)
Country
0.00000000000000000003
Astatine
0.000000000000000001
Francium
0.00000000000000002
Promethium
0.0000000000004
Radon
0.0000000000006
Actinium
0.00000000000135
Technetium
0.000000000003
Neptunium
0.00000000003
Plutonium
0.0000000002
Polonium
0.0000009
Radium
0.0000014
Protactinium
0.00003
Xenon
0.0001
Krypton
0.0007
Rhenium
0.001
Rhodium
1 Comments
+1
Level 57
Feb 28, 2021
Nice.