metal / chemical atoms / green gas / noble gas / chemical revolution / chemical properties / chemical evidence / chemical and philosophical understanding / spectroscopic periodic systems / chemical element / gray metal / chemical ontology / chemical account / gas phase atoms / chemical phenomena / periodic law / chemical elements / chemical audience / /
Organization
International Union of Pure and Applied Chemistry / /
Person
Peter Atkins / Aristotle / Bent / Eric R. Scerri / Herb Kaesz / /
Position
teacher / example Cao / speaker / Cao / one of the founders / chemist / /