Ọ nwere ike meghachi omume na fluorine, ngwọta alkali siri ike na fuming sulfuric acid na 200 ℃.
Ọ nwere ike meghachi omume na ọtụtụ ndị na-abụghị ọla mgbe ọkụ.
Zere kọntaktị na oxides, halogens, alkalis, ogige interhalogen, na nitrogen fluoride.
Tantalum nwere nguzogide corrosion siri ike na acid siri ike, ọkachasị sulfuric acid.