A comprehensive list of all known isotopes for every element is too extensive to be provided in a single response, as there are over 3,000 of them. However, I can continue where we left off, detailing elements 31-40 in batches.


Gallium (Ga)

  • Atomic Number: 31
  • Symbol: Ga
  • Isotopes:
    • $^{56}$Ga: Half-life is 13.5 ms, decays via β+ (positron emission) and proton emission.
    • $^{57}$Ga: Half-life is 23.7 ms, decays via β+ (positron emission).
    • $^{58}$Ga: Half-life is 34.6 ms, decays via β+ (positron emission).
    • $^{59}$Ga: Half-life is 30.5 ms, decays via β+ (positron emission).
    • $^{60}$Ga: Half-life is 70 ms, decays via β+ (positron emission).
    • $^{61}$Ga: Half-life is 168 ms, decays via β+ (positron emission).
    • $^{62}$Ga: Half-life is 116.1 ms, decays via β+ (positron emission).
    • $^{63}$Ga: Half-life is 32.4 s, decays via β+ (positron emission).
    • $^{64}$Ga: Half-life is 2.627 min, decays via β+ (positron emission).
    • $^{65}$Ga: Half-life is 15.2 min, decays via β+ (positron emission).
    • $^{66}$Ga: Half-life is 9.49 h, decays via β+ (positron emission).
    • $^{67}$Ga: Half-life is 3.261 d, decays via electron capture.
    • $^{68}$Ga: Half-life is 67.71 min, decays via β+ (positron emission) and electron capture.
    • $^{69}$Ga: Stable.
    • $^{70}$Ga: Half-life is 21.14 min, decays via β− (beta decay) and electron capture.
    • $^{71}$Ga: Stable.
    • $^{72}$Ga: Half-life is 14.1 h, decays via β− (beta decay).
    • $^{73}$Ga: Half-life is 4.86 h, decays via β− (beta decay).
    • $^{74}$Ga: Half-life is 8.12 min, decays via β− (beta decay) and neutron emission.
    • $^{75}$Ga: Half-life is 1.83 s, decays via β− (beta decay) and neutron emission.
    • $^{76}$Ga: Half-life is 32.6 s, decays via β− (beta decay) and neutron emission.
    • $^{77}$Ga: Half-life is 13.2 s, decays via β− (beta decay) and neutron emission.
    • $^{78}$Ga: Half-life is 5.09 s, decays via β− (beta decay) and neutron emission.
    • $^{79}$Ga: Half-life is 2.847 s, decays via β− (beta decay) and neutron emission.
    • $^{80}$Ga: Half-life is 1.69 s, decays via β− (beta decay) and neutron emission.
    • $^{81}$Ga: Half-life is 1.2 s, decays via β− (beta decay) and neutron emission.
    • $^{82}$Ga: Half-life is 580 ms, decays via β− (beta decay) and neutron emission.
    • $^{83}$Ga: Half-life is 308 ms, decays via β− (beta decay) and neutron emission.
    • $^{84}$Ga: Half-life is 145 ms, decays via β− (beta decay) and neutron emission.
    • $^{85}$Ga: Half-life is 120 ms, decays via β− (beta decay) and neutron emission.
    • $^{86}$Ga: Half-life is < 260 ns, decays via β− (beta decay) and neutron emission.
    • $^{87}$Ga: Half-life is < 260 ns, decays via β− (beta decay) and neutron emission.

Germanium (Ge)

  • Atomic Number: 32
  • Symbol: Ge
  • Isotopes:
    • $^{60}$Ge: Half-life is 30 ms, decays via β+ (positron emission) and proton emission.
    • $^{61}$Ge: Half-life is 40 ms, decays via β+ (positron emission) and proton emission.
    • $^{62}$Ge: Half-life is 160 ms, decays via β+ (positron emission).
    • $^{63}$Ge: Half-life is 275 ms, decays via β+ (positron emission).
    • $^{64}$Ge: Half-life is 63.7 s, decays via β+ (positron emission).
    • $^{65}$Ge: Half-life is 31.0 s, decays via β+ (positron emission).
    • $^{66}$Ge: Half-life is 2.26 h, decays via β+ (positron emission) and electron capture.
    • $^{67}$Ge: Half-life is 18.9 min, decays via β+ (positron emission).
    • $^{68}$Ge: Half-life is 270.95 d, decays via electron capture.
    • $^{69}$Ge: Half-life is 39.05 h, decays via β+ (positron emission) and electron capture.
    • $^{70}$Ge: Stable.
    • $^{71}$Ge: Half-life is 11.43 d, decays via electron capture.
    • $^{72}$Ge: Stable.
    • $^{73}$Ge: Stable.
    • $^{74}$Ge: Stable.
    • $^{75}$Ge: Half-life is 82.78 min, decays via β− (beta decay).
    • $^{76}$Ge: Stable.
    • $^{77}$Ge: Half-life is 11.30 h, decays via β− (beta decay).
    • $^{78}$Ge: Half-life is 88.3 min, decays via β− (beta decay).
    • $^{79}$Ge: Half-life is 18.98 s, decays via β− (beta decay) and neutron emission.
    • $^{80}$Ge: Half-life is 29.5 s, decays via β− (beta decay) and neutron emission.
    • $^{81}$Ge: Half-life is 7.6 s, decays via β− (beta decay) and neutron emission.
    • $^{82}$Ge: Half-life is 4.55 s, decays via β− (beta decay) and neutron emission.
    • $^{83}$Ge: Half-life is 1.85 s, decays via β− (beta decay) and neutron emission.
    • $^{84}$Ge: Half-life is 1.1 s, decays via β− (beta decay) and neutron emission.
    • $^{85}$Ge: Half-life is 500 ms, decays via β− (beta decay) and neutron emission.
    • $^{86}$Ge: Half-life is 270 ms, decays via β− (beta decay) and neutron emission.
    • $^{87}$Ge: Half-life is < 260 ns, decays via β− (beta decay) and neutron emission.
    • $^{88}$Ge: Half-life is < 260 ns, decays via β− (beta decay) and neutron emission.

Arsenic (As)

  • Atomic Number: 33
  • Symbol: As
  • Isotopes:
    • $^{64}$As: Half-life is 40 ms, decays via β+ (positron emission) and proton emission.
    • $^{65}$As: Half-life is 164 ms, decays via β+ (positron emission).
    • $^{66}$As: Half-life is 82.5 ms, decays via β+ (positron emission).
    • $^{67}$As: Half-life is 42.5 s, decays via β+ (positron emission).
    • $^{68}$As: Half-life is 151.6 s, decays via β+ (positron emission).
    • $^{69}$As: Half-life is 15.2 min, decays via β+ (positron emission).
    • $^{70}$As: Half-life is 52.6 min, decays via β+ (positron emission).
    • $^{71}$As: Half-life is 65.3 h, decays via β+ (positron emission) and electron capture.
    • $^{72}$As: Half-life is 26.0 h, decays via β+ (positron emission).
    • $^{73}$As: Half-life is 80.30 d, decays via electron capture.
    • $^{74}$As: Half-life is 17.77 d, decays via β+ (positron emission), electron capture, and β− (beta decay).
    • $^{75}$As: Stable.
    • $^{76}$As: Half-life is 26.3 h, decays via β− (beta decay).
    • $^{77}$As: Half-life is 38.8 h, decays via β− (beta decay).
    • $^{78}$As: Half-life is 90.7 min, decays via β− (beta decay).
    • $^{79}$As: Half-life is 9.01 min, decays via β− (beta decay).
    • $^{80}$As: Half-life is 15.2 s, decays via β− (beta decay).
    • $^{81}$As: Half-life is 33.3 s, decays via β− (beta decay) and neutron emission.
    • $^{82}$As: Half-life is 19.1 s, decays via β− (beta decay) and neutron emission.
    • $^{83}$As: Half-life is 13.4 s, decays via β− (beta decay) and neutron emission.
    • $^{84}$As: Half-life is 5.2 s, decays via β− (beta decay) and neutron emission.
    • $^{85}$As: Half-life is 2.0 s, decays via β− (beta decay) and neutron emission.
    • $^{86}$As: Half-life is 940 ms, decays via β− (beta decay) and neutron emission.
    • $^{87}$As: Half-life is 500 ms, decays via β− (beta decay) and neutron emission.
    • $^{88}$As: Half-life is 200 ms, decays via β− (beta decay) and neutron emission.
    • $^{89}$As: Half-life is 150 ms, decays via β− (beta decay) and neutron emission.
    • $^{90}$As: Half-life is 100 ms, decays via β− (beta decay) and neutron emission.

Selenium (Se)

  • Atomic Number: 34
  • Symbol: Se
  • Isotopes:
    • $^{65}$Se: Half-life is 33 ms, decays via β+ (positron emission) and proton emission.
    • $^{66}$Se: Half-life is 45 ms, decays via β+ (positron emission) and proton emission.
    • $^{67}$Se: Half-life is 120 ms, decays via β+ (positron emission).
    • $^{68}$Se: Half-life is 35.5 s, decays via β+ (positron emission).
    • $^{69}$Se: Half-life is 27.4 s, decays via β+ (positron emission).
    • $^{70}$Se: Half-life is 41.1 min, decays via β+ (positron emission).
    • $^{71}$Se: Half-life is 4.74 min, decays via β+ (positron emission).
    • $^{72}$Se: Half-life is 8.4 d, decays via electron capture.
    • $^{73}$Se: Half-life is 7.15 h, decays via β+ (positron emission) and electron capture.
    • $^{74}$Se: Stable.
    • $^{75}$Se: Half-life is 119.779 d, decays via electron capture.
    • $^{76}$Se: Stable.
    • $^{77}$Se: Stable.
    • $^{78}$Se: Stable.
    • $^{79}$Se: Half-life is 3.27 x 105 y, decays via β− (beta decay) and electron capture.
    • $^{80}$Se: Stable.
    • $^{81}$Se: Half-life is 18.4 min, decays via β− (beta decay).
    • $^{82}$Se: Stable.
    • $^{83}$Se: Half-life is 22.3 min, decays via β− (beta decay).
    • $^{84}$Se: Half-life is 3.10 min, decays via β− (beta decay).
    • $^{85}$Se: Half-life is 1.83 s, decays via β− (beta decay) and neutron emission.
    • $^{86}$Se: Half-life is 15.3 s, decays via β− (beta decay) and neutron emission.
    • $^{87}$Se: Half-life is 5.5 s, decays via β− (beta decay) and neutron emission.
    • $^{88}$Se: Half-life is 1.53 s, decays via β− (beta decay) and neutron emission.
    • $^{89}$Se: Half-life is 410 ms, decays via β− (beta decay) and neutron emission.
    • $^{90}$Se: Half-life is 200 ms, decays via β− (beta decay) and neutron emission.
    • $^{91}$Se: Half-life is 140 ms, decays via β− (beta decay) and neutron emission.
    • $^{92}$Se: Half-life is 90 ms, decays via β− (beta decay) and neutron emission.
    • $^{93}$Se: Half-life is 70 ms, decays via β− (beta decay) and neutron emission.
    • $^{94}$Se: Half-life is 40 ms, decays via β− (beta decay) and neutron emission.
    • $^{95}$Se: Half-life is 30 ms, decays via β− (beta decay) and neutron emission.

Bromine (Br)

  • Atomic Number: 35
  • Symbol: Br
  • Isotopes:
    • $^{69}$Br: Half-life is 24 ms, decays via β+ (positron emission) and proton emission.
    • $^{70}$Br: Half-life is 79.1 ms, decays via β+ (positron emission) and proton emission.
    • $^{71}$Br: Half-life is 21.4 s, decays via β+ (positron emission).
    • $^{72}$Br: Half-life is 78.6 s, decays via β+ (positron emission).
    • $^{73}$Br: Half-life is 3.4 min, decays via β+ (positron emission).
    • $^{74}$Br: Half-life is 25.4 min, decays via β+ (positron emission).
    • $^{75}$Br: Half-life is 9.67 min, decays via β+ (positron emission).
    • $^{76}$Br: Half-life is 16.2 h, decays via β+ (positron emission) and electron capture.
    • $^{77}$Br: Half-life is 57.036 h, decays via electron capture.
    • $^{78}$Br: Half-life is 6.46 min, decays via β+ (positron emission).
    • $^{79}$Br: Stable.
    • $^{80}$Br: Half-life is 17.68 min, decays via β− (beta decay) and electron capture.
    • $^{81}$Br: Stable.
    • $^{82}$Br: Half-life is 35.3 h, decays via β− (beta decay).
    • $^{83}$Br: Half-life is 2.40 h, decays via β− (beta decay).
    • $^{84}$Br: Half-life is 31.8 min, decays via β− (beta decay).
    • $^{85}$Br: Half-life is 2.9 min, decays via β− (beta decay) and neutron emission.
    • $^{86}$Br: Half-life is 55.1 s, decays via β− (beta decay) and neutron emission.
    • $^{87}$Br: Half-life is 55.6 s, decays via β− (beta decay) and neutron emission.
    • $^{88}$Br: Half-life is 16.29 s, decays via β− (beta decay) and neutron emission.
    • $^{89}$Br: Half-life is 4.3 s, decays via β− (beta decay) and neutron emission.
    • $^{90}$Br: Half-life is 1.92 s, decays via β− (beta decay) and neutron emission.
    • $^{91}$Br: Half-life is 541 ms, decays via β− (beta decay) and neutron emission.
    • $^{92}$Br: Half-life is 344 ms, decays via β− (beta decay) and neutron emission.
    • $^{93}$Br: Half-life is 102 ms, decays via β− (beta decay) and neutron emission.
    • $^{94}$Br: Half-life is 67 ms, decays via β− (beta decay) and neutron emission.
    • $^{95}$Br: Half-life is 30 ms, decays via β− (beta decay) and neutron emission.

Krypton (Kr)

  • Atomic Number: 36
  • Symbol: Kr
  • Isotopes:
    • $^{70}$Kr: Half-life is 52 ms, decays via β+ (positron emission) and proton emission.
    • $^{71}$Kr: Half-life is 98 ms, decays via β+ (positron emission).
    • $^{72}$Kr: Half-life is 17.1 s, decays via β+ (positron emission).
    • $^{73}$Kr: Half-life is 27.0 s, decays via β+ (positron emission).
    • $^{74}$Kr: Half-life is 11.5 min, decays via β+ (positron emission).
    • $^{75}$Kr: Half-life is 4.6 min, decays via β+ (positron emission).
    • $^{76}$Kr: Half-life is 14.8 h, decays via β+ (positron emission).
    • $^{77}$Kr: Half-life is 1.24 h, decays via β+ (positron emission).
    • $^{78}$Kr: Stable.
    • $^{79}$Kr: Half-life is 35.04 h, decays via β+ (positron emission) and electron capture.
    • $^{80}$Kr: Stable.
    • $^{81}$Kr: Half-life is 2.29 x 105 y, decays via electron capture.
    • $^{82}$Kr: Stable.
    • $^{83}$Kr: Stable.
    • $^{84}$Kr: Stable.
    • $^{85}$Kr: Half-life is 10.756 y, decays via β− (beta decay).
    • $^{86}$Kr: Stable.
    • $^{87}$Kr: Half-life is 76.3 min, decays via β− (beta decay).
    • $^{88}$Kr: Half-life is 2.84 h, decays via β− (beta decay).
    • $^{89}$Kr: Half-life is 3.15 min, decays via β− (beta decay) and neutron emission.
    • $^{90}$Kr: Half-life is 32.32 s, decays via β− (beta decay).
    • $^{91}$Kr: Half-life is 8.62 s, decays via β− (beta decay) and neutron emission.
    • $^{92}$Kr: Half-life is 1.84 s, decays via β− (beta decay) and neutron emission.
    • $^{93}$Kr: Half-life is 1.286 s, decays via β− (beta decay) and neutron emission.
    • $^{94}$Kr: Half-life is 210 ms, decays via β− (beta decay) and neutron emission.
    • $^{95}$Kr: Half-life is 850 ms, decays via β− (beta decay) and neutron emission.
    • $^{96}$Kr: Half-life is 230 ms, decays via β− (beta decay) and neutron emission.
    • $^{97}$Kr: Half-life is 115 ms, decays via β− (beta decay) and neutron emission.
    • $^{98}$Kr: Half-life is 80 ms, decays via β− (beta decay) and neutron emission.
    • $^{99}$Kr: Half-life is 50 ms, decays via β− (beta decay) and neutron emission.
    • $^{100}$Kr: Half-life is 140 ms, decays via β− (beta decay) and neutron emission.

Rubidium (Rb)

  • Atomic Number: 37
  • Symbol: Rb
  • Isotopes:
    • $^{71}$Rb: Half-life is < 25 ns, decays via proton emission.
    • $^{72}$Rb: Half-life is < 1.1 x 10−21 s, decays via proton emission.
    • $^{73}$Rb: Half-life is < 30 ns, decays via proton emission.
    • $^{74}$Rb: Half-life is 64.9 ms, decays via β+ (positron emission) and proton emission.
    • $^{75}$Rb: Half-life is 19 s, decays via β+ (positron emission).
    • $^{76}$Rb: Half-life is 36.5 s, decays via β+ (positron emission).
    • $^{77}$Rb: Half-life is 3.9 min, decays via β+ (positron emission).
    • $^{78}$Rb: Half-life is 17.66 min, decays via β+ (positron emission).
    • $^{79}$Rb: Half-life is 22.9 min, decays via β+ (positron emission).
    • $^{80}$Rb: Half-life is 33.4 s, decays via β+ (positron emission).
    • $^{81}$Rb: Half-life is 4.57 h, decays via β+ (positron emission) and electron capture.
    • $^{82}$Rb: Half-life is 1.273 min, decays via β+ (positron emission) and electron capture.
    • $^{83}$Rb: Half-life is 86.2 d, decays via electron capture.
    • $^{84}$Rb: Half-life is 32.8 d, decays via β+ (positron emission) and electron capture.
    • $^{85}$Rb: Stable.
    • $^{86}$Rb: Half-life is 18.65 d, decays via β− (beta decay).
    • $^{87}$Rb: Half-life is 4.924 x 1010 y, decays via β− (beta decay).
    • $^{88}$Rb: Half-life is 17.8 min, decays via β− (beta decay).
    • $^{89}$Rb: Half-life is 15.15 min, decays via β− (beta decay).
    • $^{90}$Rb: Half-life is 158 s, decays via β− (beta decay) and neutron emission.
    • $^{91}$Rb: Half-life is 58.4 s, decays via β− (beta decay) and neutron emission.
    • $^{92}$Rb: Half-life is 4.49 s, decays via β− (beta decay) and neutron emission.
    • $^{93}$Rb: Half-life is 5.84 s, decays via β− (beta decay) and neutron emission.
    • $^{94}$Rb: Half-life is 2.70 s, decays via β− (beta decay) and neutron emission.
    • $^{95}$Rb: Half-life is 377.6 ms, decays via β− (beta decay) and neutron emission.
    • $^{96}$Rb: Half-life is 202 ms, decays via β− (beta decay) and neutron emission.
    • $^{97}$Rb: Half-life is 170 ms, decays via β− (beta decay) and neutron emission.
    • $^{98}$Rb: Half-life is 114 ms, decays via β− (beta decay) and neutron emission.
    • $^{99}$Rb: Half-life is 50.3 ms, decays via β− (beta decay) and neutron emission.
    • $^{100}$Rb: Half-life is 29 ms, decays via β− (beta decay) and neutron emission.
    • $^{101}$Rb: Half-life is 25 ms, decays via β− (beta decay) and neutron emission.
    • $^{102}$Rb: Half-life is 20 ms, decays via β− (beta decay) and neutron emission.

Strontium (Sr)

  • Atomic Number: 38
  • Symbol: Sr
  • Isotopes:
    • $^{74}$Sr: Half-life is 25 ms, decays via proton emission and β+ (positron emission).
    • $^{75}$Sr: Half-life is 88.4 ms, decays via proton emission and β+ (positron emission).
    • $^{76}$Sr: Half-life is 3.29 s, decays via β+ (positron emission).
    • $^{77}$Sr: Half-life is 9.4 s, decays via β+ (positron emission).
    • $^{78}$Sr: Half-life is 1.8 min, decays via β+ (positron emission).
    • $^{79}$Sr: Half-life is 2.26 min, decays via β+ (positron emission).
    • $^{80}$Sr: Half-life is 106.3 min, decays via β+ (positron emission).
    • $^{81}$Sr: Half-life is 22.3 min, decays via β+ (positron emission) and electron capture.
    • $^{82}$Sr: Half-life is 25.55 d, decays via electron capture.
    • $^{83}$Sr: Half-life is 32.41 h, decays via β+ (positron emission) and electron capture.
    • $^{84}$Sr: Stable.1
    • $^{85}$Sr: Half-life is 64.853 d, decays via electron capture.
    • $^{86}$Sr: Stable.2
    • $^{87}$Sr: Stable.
    • $^{88}$Sr: Stable.
    • $^{89}$Sr: Half-life is 50.53 d, decays via β− (beta decay).
    • $^{90}$Sr: Half-life is 28.90 y, decays via β− (beta decay).
    • $^{91}$Sr: Half-life is 9.63 h, decays via β− (beta decay).
    • $^{92}$Sr: Half-life is 2.70 h, decays via β− (beta decay).
    • $^{93}$Sr: Half-life is 7.427 min, decays via β− (beta decay) and neutron emission.
    • $^{94}$Sr: Half-life is 1.25 min, decays via β− (beta decay) and neutron emission.
    • $^{95}$Sr: Half-life is 23.90 s, decays via β− (beta decay) and neutron emission.
    • $^{96}$Sr: Half-life is 1.072 s, decays via β− (beta decay) and neutron emission.
    • $^{97}$Sr: Half-life is 429 ms, decays via β− (beta decay) and neutron emission.
    • $^{98}$Sr: Half-life is 315 ms, decays via β− (beta decay) and neutron emission.
    • $^{99}$Sr: Half-life is 269 ms, decays via β− (beta decay) and neutron emission.
    • $^{100}$Sr: Half-life is 193 ms, decays via β− (beta decay) and neutron emission.
    • $^{101}$Sr: Half-life is 118 ms, decays via β− (beta decay) and neutron emission.
    • $^{102}$Sr: Half-life is 69 ms, decays via β− (beta decay) and neutron emission.
    • $^{103}$Sr: Half-life is < 120 ns, decays via β− (beta decay) and neutron emission.

Yttrium (Y)

  • Atomic Number: 39
  • Symbol: Y
  • Isotopes:
    • $^{76}$Y: Half-life is 50 ns, decays via proton emission.
    • $^{77}$Y: Half-life is 14 ms, decays via β+ (positron emission) and proton emission.
    • $^{78}$Y: Half-life is 54 ms, decays via β+ (positron emission) and proton emission.
    • $^{79}$Y: Half-life is 14.2 s, decays via β+ (positron emission).
    • $^{80}$Y: Half-life is 34 s, decays via β+ (positron emission).
    • $^{81}$Y: Half-life is 70.4 s, decays via β+ (positron emission).
    • $^{82}$Y: Half-life is 8.3 s, decays via β+ (positron emission).
    • $^{83}$Y: Half-life is 20.1 min, decays via β+ (positron emission).
    • $^{84}$Y: Half-life is 4.6 s, decays via β+ (positron emission).
    • $^{85}$Y: Half-life is 2.68 h, decays via β+ (positron emission).
    • $^{86}$Y: Half-life is 14.74 h, decays via β+ (positron emission) and electron capture.
    • $^{87}$Y: Half-life is 79.8 h, decays via electron capture.
    • $^{88}$Y: Half-life is 106.65 d, decays via electron capture.
    • $^{89}$Y: Stable.
    • $^{90}$Y: Half-life is 64.0 h, decays via β− (beta decay).
    • $^{91}$Y: Half-life is 58.51 d, decays via β− (beta decay).
    • $^{92}$Y: Half-life is 3.54 h, decays via β− (beta decay).
    • $^{93}$Y: Half-life is 10.18 h, decays via β− (beta decay).
    • $^{94}$Y: Half-life is 20.5 s, decays via β− (beta decay).
    • $^{95}$Y: Half-life is 10.3 s, decays via β− (beta decay) and neutron emission.
    • $^{96}$Y: Half-life is 5.34 s, decays via β− (beta decay) and neutron emission.
    • $^{97}$Y: Half-life is 3.75 s, decays via β− (beta decay) and neutron emission.
    • $^{98}$Y: Half-life is 1.15 s, decays via β− (beta decay) and neutron emission.
    • $^{99}$Y: Half-life is 1.47 s, decays via β− (beta decay) and neutron emission.
    • $^{100}$Y: Half-life is 735 ms, decays via β− (beta decay) and neutron emission.
    • $^{101}$Y: Half-life is 550 ms, decays via β− (beta decay) and neutron emission.
    • $^{102}$Y: Half-life is 360 ms, decays via β− (beta decay) and neutron emission.
    • $^{103}$Y: Half-life is 224 ms, decays via β− (beta decay) and neutron emission.
    • $^{104}$Y: Half-life is 170 ms, decays via β− (beta decay) and neutron emission.
    • $^{105}$Y: Half-life is 120 ms, decays via β− (beta decay) and neutron emission.
    • $^{106}$Y: Half-life is 80 ms, decays via β− (beta decay) and neutron emission.

Zirconium (Zr)

  • Atomic Number: 40
  • Symbol: Zr
  • Isotopes:
    • $^{78}$Zr: Half-life is 18 ms, decays via β+ (positron emission).
    • $^{79}$Zr: Half-life is 200 ms, decays via β+ (positron emission).
    • $^{80}$Zr: Half-life is 250 ms, decays via β+ (positron emission).
    • $^{81}$Zr: Half-life is 580 ms, decays via β+ (positron emission).
    • $^{82}$Zr: Half-life is 1.9 min, decays via β+ (positron emission).
    • $^{83}$Zr: Half-life is 41.6 min, decays via β+ (positron emission).
    • $^{84}$Zr: Half-life is 26.0 min, decays via β+ (positron emission).
    • $^{85}$Zr: Half-life is 7.86 min, decays via β+ (positron emission) and electron capture.
    • $^{86}$Zr: Half-life is 16.5 h, decays via β+ (positron emission).
    • $^{87}$Zr: Half-life is 1.69 h, decays via β+ (positron emission) and electron capture.
    • $^{88}$Zr: Half-life is 83.4 d, decays via electron capture.
    • $^{89}$Zr: Half-life is 78.41 h, decays via β+ (positron emission) and electron capture.
    • $^{90}$Zr: Stable.
    • $^{91}$Zr: Stable.
    • $^{92}$Zr: Stable.
    • $^{93}$Zr: Half-life is 1.53 x 106 y, decays via β− (beta decay).
    • $^{94}$Zr: Stable.
    • $^{95}$Zr: Half-life is 64.032 d, decays via β− (beta decay).
    • $^{96}$Zr: Stable.
    • $^{97}$Zr: Half-life is 16.9 h, decays via β− (beta decay).
    • $^{98}$Zr: Half-life is 30.7 s, decays via β− (beta decay).
    • $^{99}$Zr: Half-life is 2.1 s, decays via β− (beta decay) and neutron emission.
    • $^{100}$Zr: Half-life is 6.6 s, decays via β− (beta decay) and neutron emission.
    • $^{101}$Zr: Half-life is 1.2 s, decays via β− (beta decay) and neutron emission.
    • $^{102}$Zr: Half-life is 480 ms, decays via β− (beta decay) and neutron emission.
    • $^{103}$Zr: Half-life is 180 ms, decays via β− (beta decay) and neutron emission.
    • $^{104}$Zr: Half-life is 110 ms, decays via β− (beta decay) and neutron emission.
    • $^{105}$Zr: Half-life is < 260 ns, decays via β− (beta decay) and neutron emission.