Which of these elements is not a precious metal?

Platinum
Ruthenium
Silver
Lanthanum
Lan­thanum is a chemical element with symbol La . It is a soft, ductile, sil­very-white metal that tar­nish­es rapidly when exposed to air and is soft enough to be cut with a knife. Lan­thanum does not belong to precious metals.

Answers distribution

Platinum
Ruthenium
Silver
Lanthanum
answers
flagthe United Kingdom
10%
20%
10%
60%
10
flagPoland
4%
31%
4%
58%
650
flagUnknown
7%
22%
14%
55%
27
flagIndia
0%
29%
17%
52%
17
flagthe United States
4%
50%
6%
39%
48

Gender

men60%
women65%
Platinum
2%
0%
Ruthenium
27%
28%
Silver
9%
6%
Lanthanum
60%
65%

Language versions

question
answers
results
flag
Which of these elements is not a precious metal?
87
50%

Details

Author: Tschuka
Illustration: Michael Mandiberg
tools
Should this question be improved? Improve it.
Globalquiz questions are translated by users for other users. Translate this question.