Calcium oxide

https://www.wikidata.org/wiki/Q185006

Field Hierarchy

Parent
Chemistry 29.5M papers	Engineering 25.7M papers	Materials science 19M papers	Organic chemistry 13.2M papers
Metallurgy 5M papers		Chemical engineering 3.1M papers
Current
Calcium oxide 6,086 papers
Child
Strontium oxide 1,107 papers		Sodium oxide 1,029 papers

Trends

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History