Assertion: fermium | /r/HasProperty | actinide
Facets:
Source sentences:
text: It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared.
text: Fermium is a radioactive metal and one of the actinides which was discovered in the middle of the last century by a group of American scientists, in the labs of the University of California.
text: Fermium is an actinide, part of the floating bar of elements that is squeezed out from between actinium and lawrencium.
text: It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared.
text: Fermium is an actinide, part of the floating bar of elements that is squeezed out from between actinium and lawrencium.
text: It is an actinide and the heaviest element that can be formed by neutron bombardment of lighter elements, and hence the last element that can be prepared in macroscopic quantities, although pure fermium metal has not yet been prepared.