Input interpretation
As-75 (arsenic-75)
Natural abundance
100%
Mass properties
atomic number (Z) | 33 mass number (A) | 75 neutron number | 42 atomic mass | 74.921596478 u (unified atomic mass units) mass excess | -73.03241 MeV (megaelectronvolts) binding energy per nucleon | 8.70085 MeV (megaelectronvolts)
Mass properties
Nearby isotopes
Nearby isotopes
Quantum properties
spin parity J^π | 3/2^- (atomic boson) magnetic moment | 1.43947 μ_N electric quadrupole moment | 0.314 eb (electron barns)
Quantum properties
Excitations
E_level | spin parity J^π | half-life τ_1/2 | width Δ 198.6063 keV (kiloelectronvolts) | 1/2^- | 8.85×10^-10 seconds | 5.16×10^-7 eV (electronvolts) 264.6581 keV (kiloelectronvolts) | 3/2^- | 1.12×10^-11 seconds | 4.07×10^-5 eV (electronvolts) 279.5428 keV (kiloelectronvolts) | 5/2^- | 2.73×10^-10 seconds | 1.67×10^-6 eV (electronvolts) 303.9241 keV (kiloelectronvolts) | 9/2^+ | 0.01762 seconds | 2.589×10^-14 eV (electronvolts) 400.6582 keV (kiloelectronvolts) | 5/2^+ | 1.67×10^-9 seconds | 2.73×10^-7 eV (electronvolts) 468.75 keV (kiloelectronvolts) | 1/2^- or 3/2^- (uncertain) | (unknown) | (unknown) 572.37 keV (kiloelectronvolts) | 5/2^- | 2.9×10^-12 seconds | 1.6×10^-4 eV (electronvolts) 585 keV (kiloelectronvolts) | 1/2^- or 3/2^- (uncertain) | (unknown) | (unknown) 617.69 keV (kiloelectronvolts) | 1/2^- or 3/2^- (uncertain) | (unknown) | (unknown) 821.66 keV (kiloelectronvolts) | 7/2^- | 3×10^-12 seconds | 1.5×10^-4 eV (electronvolts)