Assertion: calcium | /r/HasProperty | cacl
Facets:
Source sentences:
text: Calcium is very reactive towards the halogens fluorine, F 2 , chlorine, Cl 2 bromine, Br 2 , or iodine, I 2 , and burns to form the dihalides calcium(II) fluoride, CaF 2 , calcium(II) chloride, CaCl 2 , calcium(II)