Which of the following is not a chemical element?

copper
iron
brass
chromium
Copper, iron and chromium are chemical el­e­ments. Brass is a metal alloy made of copper and zinc.

Answers distribution

copper
iron
brass
chromium
answers
flagFinland
0%
0%
100%
0%
18
flagNorway
0%
0%
100%
0%
11
flagItaly
0%
0%
92%
7%
14
flagPakistan
0%
0%
91%
8%
12
flagthe Philippines
10%
0%
90%
0%
10
flagMalaysia
0%
0%
90%
0%
10
flagGermany
0%
3%
89%
7%
28
flagCanada
0%
5%
89%
5%
19
flagPoland
2%
3%
88%
4%
2862
flagIndia
1%
4%
86%
8%
74
flagthe United States
0%
3%
85%
8%
148
flagAustralia
0%
0%
81%
18%
11
flagthe United Kingdom
6%
4%
77%
11%
109

Gender

men90%
women92%
copper
1%
1%
iron
3%
3%
brass
90%
92%
chromium
4%
1%

Language versions

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answers
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Which of the following is not a chemical element?
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Illustration: Matti Mattila
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