Periodic Table/Fermium/²⁵⁶Fm

← 255Fm257Fm →

²⁵⁶Fm

Fermium-256

Radioactive· Half-life: 2.62 h

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

100

Neutrons (N)

156

Mass Number (A)

256

Atomic Mass

256.091772AMU

Spin / Parity

0+

Binding E/A

7.232keV

Natural Abundance

Trace / None

Half-life

2.62 h

Decay Modesoverview · half-life · α · β⁻ · β⁺

SF

91.9%

α

8.1%

Other Isotopes of Fermium

241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260

← Back to FermiumData: IAEA NDS · ENSDF