Arsenic-74 (As-74)

Identity

Protons

33

Neutrons

41

Mass number

74

Mass

73.9 ± 1.8 u

Mass excess

-70.860 MeV

Spin

2-

Stability

Half-life: 17.8 days

Natural occurrence

Not found in nature

Decays to

• positron emission 66.0 % → Ge-74
• beta minus 34.0 % → Se-74