Why do elements erbium, yttrium, ytterbium, terbium, have similar names?

by mistake in the elements naming approval process
from the name of the Swedish Ytterby mine
they are in the periodic table together therefore have similar names
from the surname of their discoverer, Ingmar Terber
Ytterby mine, located in the south-east part of the Swedish island and the town Resarö, was a rich source of many rare min­er­al­s. 4 chemical elements - yttrium, yt­ter­bium, terbium and erbium - were named after the mine com­mem­o­rat­ing their origin.

Answers distribution

by mistake in the elements naming approval process
from the name of the Swedish Ytterby mine
they are in the periodic table together therefore have similar names
from the surname of their discoverer, Ingmar Terber
answers
flagCanada
6%
56%
12%
25%
16
flagGermany
0%
54%
5%
40%
35
flagSweden
18%
54%
18%
9%
11
flagthe United Arab Emirates
6%
53%
26%
13%
15
flagIndia
7%
52%
19%
18%
156
flagthe Philippines
16%
52%
20%
12%
25
flagItaly
14%
50%
7%
28%
14
flagthe United Kingdom
5%
49%
12%
31%
154
flagAustralia
3%
46%
19%
26%
26
flagthe United States
7%
43%
18%
26%
277
flagFrance
7%
42%
21%
28%
14
flagNorway
10%
40%
20%
30%
10
flagPoland
11%
37%
12%
38%
3570
flagMalaysia
18%
37%
18%
18%
16
flagPakistan
11%
33%
22%
33%
18
flagUnknown
14%
32%
17%
35%
145

Gender

men36%
women34%
by mistake in the elements naming approval process
10%
10%
from the name of the Swedish Ytterby mine
36%
34%
they are in the periodic table together therefore have similar names
11%
10%
from the surname of their discoverer, Ingmar Terber
41%
43%

Language versions

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Why do elements erbium, yttrium, ytterbium, terbium, have similar names?
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Details

Author: Paweł Kołodziejczyk
Illustration: U.S. Army RDECOM
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