Premodifier: calcium
Head noun: hydride

Same concepts
http://dbpedia.org/resource/Calcium_hydride

Broader concepts

labelprovenanceconfidence
metal hydrideisap:4329445130.670787
hydrideisap:4329445200.500940
agentisap:327690390.394055

Narrower concepts

labelprovenanceconfidence
alkali metalisap:2289735520.435095