201Tl
Thallium-201
Radioactive· Half-life: 3.04 d
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
81
Neutrons (N)
120
Mass Number (A)
201
Atomic Mass
200.970820AMU
Spin / Parity
1/2+
Binding E/A
7.685keV
Natural Abundance
Trace / None
Half-life
3.04 d
Decay Chain
2-step decay chain → stable · Primary path shown
Other Isotopes of Thallium
Medical Applications
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