Periodic Table/Hafnium/¹⁵⁹Hf

← 158Hf160Hf →

¹⁵⁹Hf

Hafnium-159

Radioactive· Half-life: 5.20 s

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

72

Neutrons (N)

87

Mass Number (A)

159

Atomic Mass

158.953996AMU

Spin / Parity

7/2-

Binding E/A

7.755keV

Natural Abundance

Trace / None

Half-life

5.20 s

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

β⁺

65.0%

α

35.0%

Decay Chain

¹⁵⁹HfHafnium5.20 s

β⁺65.0%

α¹⁵⁵Yb35.0%

¹⁵⁹LuLutetium12.1 s

β⁺100.0%

α¹⁵⁵Tm

¹⁵⁹YbYtterbium1.67 min

β⁺100.0%

¹⁵⁹TmThulium9.13 min

β⁺100.0%

¹⁵⁹ErErbium36.0 min

β⁺100.0%

¹⁵⁹HoHolmium33.0 min

β⁺100.0%

¹⁵⁹DyDysprosium144 d

EC100.0%

¹⁵⁹TbTerbiumSTABLE

8-step decay chain → stable · Primary path shown · branching ratios indicated

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