Assertion: rutherfordium | /r/HasProperty | synthetic element
Facets:
value: with atomic number
type: OTHER
value: with the symbol
type: OTHER
Source sentences:
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.
text: Rutherfordium is a synthetic chemical element with the symbol Rf and atomic number 104, named after New Zealand physicist Ernest Rutherford.
text: Rutherfordium is a synthetic radioactive metal created by nuclear bombardment.
text: Rutherfordium is a synthetic element.
text: Rutherfordium is not found free in the environment, since it is a synthetic element.
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.
text: It is a synthetic element (an element that can be created in a laboratory but is not found in nature) and radioactive; the most stable known isotope, 267Rf, has a half-life of approximately 1.3 hours.
text: Rutherfordium ( 104 Rf) is a synthetic element and thus has no stable isotopes.
text: Rutherfordium is a synthetic element that is not present in the environment.
text: Rutherfordium is a synthetic element that is not present in the geosphere.
text: It is a synthetic element because it is created in a laboratory rather than occurring naturally.
text: Since Rutherfordium is a synthetic element, it is not found in nature and is only created in a laboratory.
text: Rutherfordium is a synthetic chemical element.
text: Rutherfordium is a synthetic chemical element that has a chemical symbol Rf.
text: Rutherfordium is a synthetic radioactive metal, created by nuclear bombardment, and has only been produced in tiny amounts.