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
flagSingapore
0%
63%
18%
18%
11
flagSpain
20%
60%
10%
10%
10
flagCanada
5%
58%
11%
23%
17
flagItaly
13%
53%
6%
26%
15
flagthe United Arab Emirates
6%
53%
26%
13%
15
flagIndia
7%
52%
18%
19%
163
flagGermany
0%
50%
5%
44%
38
flagthe Philippines
19%
50%
19%
11%
26
flagthe United Kingdom
5%
48%
11%
32%
160
flagSweden
15%
46%
23%
15%
13
flagAustralia
3%
44%
22%
25%
27
flagthe United States
7%
43%
18%
26%
283
flagFrance
7%
42%
21%
28%
14
flagNorway
10%
40%
20%
30%
10
flagPoland
12%
36%
12%
38%
4204
flagPakistan
15%
35%
20%
30%
20
flagMalaysia
17%
35%
23%
17%
17
flagUnknown
13%
33%
13%
39%
282

Gender

men34%
women33%
by mistake in the elements naming approval process
12%
11%
from the name of the Swedish Ytterby mine
34%
33%
they are in the periodic table together therefore have similar names
11%
10%
from the surname of their discoverer, Ingmar Terber
41%
44%

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Why do elements erbium, yttrium, ytterbium, terbium, have similar names?
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Author: Paweł Kołodziejczyk
Illustration: U.S. Army RDECOM
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