Part 3 (1/2)

Uranium (8 10^9 years) 238.5 -> [alpha]

-> [alpha]

/ Uranium X (35.5 days) (230.5) -> [beta]&[gamma]

-> ([beta]) /

Ionium (5 10^4 to 10^6 years) (230.5) -> [alpha]

/ Radium (2,500 years) 226.4 -> [alpha]

/ Emanation (5.57 days) (222.4) -> [alpha]

/ Radium A (4.3 minutes) (218.4) -> [alpha]

/ Radium B (38.5 minutes) (214.4) -> ([beta]) / Radium C_{1} (28.1 minutes) { (214.4) -> [alpha]

{ -> [beta]&[gamma]

{ / Radium C_{2} (1.9 minutes) { (210.4) -> [beta]&[gamma]

/ Radium D (24 years?) (210.4) -> ([beta]) / Radium E (7.25 days) (210.4) -> [beta]&[gamma]

/ Radium F (Polonium 202 days) (210.4) -> [alpha]

/ Radium G (probably lead) (206.8)

Actinium (?) / Radio-Actinium (28.1 days) -> [alpha]

-> ([beta]) / Actinium X (15 days) -> [alpha]

/ Emanation (5.6 seconds) -> [alpha]

/ Actinium A (0.0029 second) -> [alpha]

/ Actinium B (52.1 minutes) -> ([beta]) / Actinium C_{1} (3.10 mins.) { -> [alpha]

{ / Actinium C_{2} (?) { -> [alpha]

/ Actinium D (7.4 minutes) -> [beta]&[gamma]

/ Actinium E (unknown)

Thorium (4 10^{10} years?) 232.4 -> [alpha](?) / Mesothorium_{1} (7.9 years) / Mesothorium_{2} (8.9 hours) -> [beta]&[gamma]

/ Radiothorium (2.91 years?) -> [alpha]

/ Thorium X (5.35 days) -> [alpha]

/ Emanation (76 seconds) -> [alpha]

/ Thorium A (0.203 second) -> [alpha]

/ Thorium B (15.3 hours) -> ([beta]) / Thorium C_{1} (79 minutes) { -> [alpha]

{ / Thorium C_{2} (?) { -> [alpha]

/ Thorium D (4.5 minutes) -> [beta]&[gamma]