Assertion: fermium | /r/HasProperty | last element
Facets:
Source sentences:
text: As 257Fm is an α-emitter, decaying to 253Cf, fermium is also the last element that can be prepared by a neutron-capture process.
text: As 257Fm is an α-emitter, decaying to 253Cf, and no fermium isotopes undergo beta minus decay (which would produce isotopes of the next element, mendelevium), fermium is also the last element that can be prepared by a neutron-capture process.