Most Expensive Earth Elements

Name the 15 most expensive naturally occurring chemical elements found in the Earth's crust
Naturally occuring so this excludes elements such as Californium
Source: https://en.wikipedia.org/wiki/Prices_of_chemical_elements
Quiz by ezza128
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Last updated: July 21, 2020
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First submittedJuly 20, 2020
Times taken30
Average score33.3%
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$ / Gram
Initial
Element
660
N
Neptunium
147
R
Rhodium
100
T
Technetium
61.8
C
Caesium
55.9
I
Iridium
49.5
P
Palladium
44.8
G
Gold
27.8
P
Platinum
15.5
R
Rubidium
12.0
O
Osmium
10.5
R
Ruthenium
4.20
T
Thallium
3.46
S
Scandium
3.58
R
Rhenium
3.00
T
Thulium
+1
Level 29
Jul 20, 2020
Good quiz! Have you got a source though