Calcium oxide

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

Field Hierarchy

Parent
Chemistry 28.9M papers	Engineering 25M papers	Materials science 18.5M papers	Organic chemistry 12.9M papers
Metallurgy 4.8M papers		Chemical engineering 3M papers
Current
Calcium oxide 5,909 papers
Child
Strontium oxide 1,080 papers		Sodium oxide 1,001 papers

Trends

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History