Input interpretation
![Al-31 | daughter nuclides](../image_source/0873a41bc6f25656c1a90cb9b580ddfb.png)
Al-31 | daughter nuclides
Result
![Si-31 | Si-30](../image_source/7a0a6bec01483eefaf4bf91b18f15fc5.png)
Si-31 | Si-30
Natural abundance
![Si-31 | Si-30 0 | 3.087%](../image_source/9358e47469d01013667019052b985c3c.png)
Si-31 | Si-30 0 | 3.087%
Decay properties
![| Si-31 | Si-30 half-life | 157.3 min (156.98 to 157.62 min) | (stable) mean lifetime | 227 min (226.48 to 227.4 min) | (stable) decay constant | 7.3421×10^-5 per second | 0 per second specific activity | 1.4274×10^6 TBq/g | 0 Bq/g width | 4.834×10^-20 eV | 0 eV decay modes | β^- (electron emission) | final decay products | P-31 (100%) | Si-30 (100%)](../image_source/fcf3fce83c0359f5cd397d48610f364f.png)
| Si-31 | Si-30 half-life | 157.3 min (156.98 to 157.62 min) | (stable) mean lifetime | 227 min (226.48 to 227.4 min) | (stable) decay constant | 7.3421×10^-5 per second | 0 per second specific activity | 1.4274×10^6 TBq/g | 0 Bq/g width | 4.834×10^-20 eV | 0 eV decay modes | β^- (electron emission) | final decay products | P-31 (100%) | Si-30 (100%)
Decay modes
![decay mode | β^- (electron emission) branching ratio | 98% Q-value | 7.9954 MeV (megaelectronvolts) daughter nuclide | Si-31 decay mode | β^-n (electron + delayed neutron) branching ratio | 1.6% Q-value | 1.408 MeV (megaelectronvolts) daughter nuclide | Si-30](../image_source/b6af67548888f41c6b57f5dc10cdde55.png)
decay mode | β^- (electron emission) branching ratio | 98% Q-value | 7.9954 MeV (megaelectronvolts) daughter nuclide | Si-31 decay mode | β^-n (electron + delayed neutron) branching ratio | 1.6% Q-value | 1.408 MeV (megaelectronvolts) daughter nuclide | Si-30
Si-31
![decay mode | β^- (electron emission) branching ratio | 100% Q-value | 1.491879 MeV (megaelectronvolts) daughter nuclide | P-31](../image_source/a0df311140771afab3acc91f88b42d8a.png)
decay mode | β^- (electron emission) branching ratio | 100% Q-value | 1.491879 MeV (megaelectronvolts) daughter nuclide | P-31
Si-30
![Column[^T, Spacings->1.5]](../image_source/310c118bee616adaef56340cedb1d911.png)
Column[^T, Spacings->1.5]
Radiation shielding
![| Si-31 lead | 1.07 mm portland concrete | 3.6 mm water | 7.03 mm air | 6.16 m](../image_source/75ad436bce53a9bce7ed8d6fb23d91be.png)
| Si-31 lead | 1.07 mm portland concrete | 3.6 mm water | 7.03 mm air | 6.16 m
Decay chain
Si-31
![Decay chain Si-31](../image_source/4650acb1506bc02e3c27e7edf937540a.png)
Decay chain Si-31
Si-30
![Decay chain Si-30](../image_source/b94dede54a8d49c4fa66a806dc45b366.png)
Decay chain Si-30
Mass properties
![| Si-31 | Si-30 atomic number (Z) | 14 | 14 mass number (A) | 31 | 30 neutron number | 17 | 16 atomic mass | 30.975363226999998 u (unified atomic mass units) | 29.973770171 u (unified atomic mass units) mass excess | -22.949006 MeV (megaelectronvolts) | -24.432928 MeV (megaelectronvolts) binding energy per nucleon | 8.45829 MeV (megaelectronvolts) | 8.520653 MeV (megaelectronvolts)](../image_source/624a06194dd198ebcb0900fa69e63d88.png)
| Si-31 | Si-30 atomic number (Z) | 14 | 14 mass number (A) | 31 | 30 neutron number | 17 | 16 atomic mass | 30.975363226999998 u (unified atomic mass units) | 29.973770171 u (unified atomic mass units) mass excess | -22.949006 MeV (megaelectronvolts) | -24.432928 MeV (megaelectronvolts) binding energy per nucleon | 8.45829 MeV (megaelectronvolts) | 8.520653 MeV (megaelectronvolts)
![Mass properties](../image_source/ca718af5b8ee73f39bfc3b96d01a216d.png)
Mass properties
Nearby isotopes
![Nearby isotopes](../image_source/8818990f88a8acd010237b97e650709e.png)
Nearby isotopes
Quantum properties
![| Si-31 | Si-30 spin parity J^π | 3/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N](../image_source/25be442fbd29948168d97b2bcc51c7eb.png)
| Si-31 | Si-30 spin parity J^π | 3/2^+ (atomic fermion) | 0^+ (atomic boson) magnetic moment | (unknown) | 0 μ_N
![Quantum properties](../image_source/189b7f2d91c5de80b00728389c1b72c5.png)
Quantum properties