http://general-terms.thesaurus.ekt.gr/vocabhttp://general-terms.thesaurus.ekt.gr/vocab?tema=10856inorganic compounds http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 trace elements RT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 oxides NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 acids NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 hydrides NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 sulfates NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 salts NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 halogen compounds NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 sulfides NT http://general-terms.thesaurus.ekt.gr/vocab?tema=10856 chemical compounds BT