Technetium-98 (Tc-98)

Identity

Protons

43

Neutrons

55

Mass number

98

Mass

97.9 ± 3.6 u

Mass excess

-86.432 MeV

Spin

6+*

Stability

Half-life: 4.20 × 10⁶ years

Natural occurrence

Not found in nature

Decays to

• beta minus 100.0 % → Ru-98
• positron emission 0.0 % → Mo-98