Periodic Table/Hafnium/¹⁸¹Hf

← 180Hf182Hf →

¹⁸¹Hf

Hafnium-181

Radioactive· Half-life: 42.4 d

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

72

Neutrons (N)

109

Mass Number (A)

181

Atomic Mass

180.949111AMU

Spin / Parity

1/2-

Binding E/A

7.819keV

Natural Abundance

Trace / None

Half-life

42.4 d

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

β⁻

100.0%

Decay Chain

¹⁸¹HfHafnium42.4 d

β⁻100.0%

¹⁸¹TaTantalumSTABLE

2-step decay chain → stable · Primary path shown

Other Isotopes of Hafnium

153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190

← Back to HafniumData: IAEA NDS · ENSDF