Assertion: technetium | /r/AtLocation | small amounts
Facets:
value: in the earth's crust
type: LOCATION
value: very
type: DEGREE
value: in nature
type: LOCATION
value: vanishingly
type: DEGREE
Source sentences:
text: Some scientists believe that technetium will be found in very small amounts in the Earth's crust along with other radioactive materials, such as uranium and radium.
text: Technetium is the lightest element with no stable isotopes and is found in vanishingly small quantities in nature (as a natural byproduct of uranium fission - with an estimated 1 nanogram per kilogram of uranium).
text: Some scientists believe that technetium will be found in very small amounts in the Earth's crust along with other radioactive materials, such as uranium and radium.