Assertion: hafnium | /r/HasProperty | the 45th most abundant element
Facets:
value: within the earth’s crust
type: LOCATION
value: according to chemicool
type: OTHER
value: on earth
type: LOCATION
Source sentences:
text: Hafnium is the 45th most abundant element on Earth, comprising about 3.3 parts per million (ppm) of the Earth's crust by weight, according to Chemicool.
text: It is a member of Group 4 of the Periodic Table and is the 45th most abundant element within the Earth’s crust.