Assertion: potassium | /r/HasProperty | reactive
Facets:
value: very
type: DEGREE
value: more violently
type: MANNER
value: with water
type: OTHER
Source sentences:
text: Potassium is not found as an element in nature, because it is so reactive.
text: K is radioactive.
text: When I kidded him about prescribing a radioactive material he wouldn't believe that potassium was radioactive.
text: Ordinary potassium is composed of three isotopes, one of which is 40 o K (0.0118%), a radioactive isotope with a half-life of 1.28 x 10 9 years.
text: Although potassium is the eighth most abundant element on earth and comprises about 2.1% of the earth's crust, it is a very reactive element and is never found free in nature.
text: Yes, potassium is a radioactive element, identified by the chemical symbol K.
text: It is even more violently reactive with water than is sodium.
text: Potassium is very reactive, so it's never found free in nature.
text: Potassium is so reactive that it is never found in its pure, elemental state in nature and must be isolated artificially by separating it from its compounds.
text: Because potassium is extremely reactive, however, you don't find metallic potassium in nature.
text: K is radioactive.