Which letter is not used as a symbol of chemical element?

H
I
J
K
H is the chemical symbol of hy­dro­gen, I - iodine, K - potas­si­um.

Answers distribution

H
I
J
K
answers
flagthe Philippines
0%
4%
96%
0%
25
flagPakistan
0%
5%
94%
0%
39
flagItaly
0%
7%
92%
0%
13
flagMalaysia
0%
0%
92%
7%
13
flagCanada
0%
0%
91%
4%
24
flagUkraine
8%
0%
91%
0%
12
flagFrance
0%
0%
91%
8%
12
flagIndia
3%
4%
90%
1%
195
flagSingapore
5%
0%
88%
5%
17
flagthe United States
5%
4%
82%
5%
330
flagUnknown
6%
10%
81%
2%
500
flagAustralia
8%
0%
80%
4%
25
flagthe United Kingdom
4%
8%
79%
6%
198
flagNorway
14%
7%
78%
0%
14
flagSweden
0%
5%
76%
17%
17
flagPoland
7%
13%
74%
4%
5742
flagNigeria
7%
7%
71%
7%
14
flagRepublic of Ireland
0%
7%
69%
23%
13
flagthe Netherlands
4%
17%
56%
21%
23
flagGermany
14%
17%
49%
19%
57

Gender

men77%
women74%
H
5%
9%
I
12%
10%
J
77%
74%
K
3%
5%

Language versions

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answers
results
flag
Which letter is not used as a symbol of chemical element?
940
88%

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