Assertion: cobalt | /r/CapableOf | react with antimony
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Source sentences:
text: When heated, cobalt reacts with sulfur, selenium, phosphorus, arsenic, antimony, carbon, silicon, and boron; however, the composition of the compounds produced sometimes does not satisfy the valence states mentioned above (for example, Co 2 P, Co 2 AS, CoSb 2 , Co 3 C, and CoSi 3 ).