Assertion: occurring cerium | /r/HasProperty | 1 radioactive isotope
Facets:
Source sentences:
text: Isotopes Naturally occurring cerium is composed of 3 stable isotopes and 1 radioactive isotope;
text: Naturally occurring cerium is composed of 3 stable isotopes and 1 radioactive isotope; 136Ce, 138Ce, 140Ce, and 142Ce with 140Ce being the most abundant (88.48% natural abundance).
text: Naturally occurring cerium is composed of 3 stable isotopes and 1 radioactive isotope; 136Ce, 138Ce, 140Ce, and 142Ce with 140Ce being the most abundant (88.48% natural abundance).