holmium
Ho
67
atomic number
67
chemical element of
chemistry
random
symbol
Ho
tags
chemical element
Wikidata
https://www.wikidata.org/wiki/Q1846
Wikimedia
https://commons.wikimedia.org/wiki/Category:Holmium
Wikipedia
https://en.wikipedia.org/wiki/Holmium
➡️
erbium
Er
68
⬅️
dysprosium
Dy
66
