Assertion: calcium | /r/HasProperty | reactive
Facets:
value: very
type: DEGREE
value: towards iodine
type: TRANSITIVE-OBJECT
value: towards the halogens fluorine
type: TRANSITIVE-OBJECT
value: towards chlorine
type: TRANSITIVE-OBJECT
value: towards br 2
type: TEMPORAL
value: towards cl 2 bromine
type: TRANSITIVE-OBJECT
value: for a metal
type: PURPOSE
value: as an alkaline earth metal
type: OTHER
Source sentences:
text: Once isolated, calcium is quite reactive and will form a grayish-white oxide and nitride coating when exposed to air.
text: As an alkaline earth metal, calcium is a reactive metal that forms a dark oxide-nitride layer when exposed to air.
text: Calcium is not found as a metal in the ground; it is too reactive.
text: Calcium is reactive and, for a metal, soft.
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)
text: It is reactive in the presence of oxygen and water, although not as reactive as magnesium.