The decay chain of Uranium-238.
Below is the complete decay chain of uranium-238, you need to work out the decay
equations for each step and fill in the blanks. The first step is done for you.
Uranium 238:
U 24   234
90Th
238
92
Alpha decay ()
Th  __ +  + 
Thorium 234:
Beta decay () + Gamma ()
___________
234
__  __ +  + 
Beta decay () + Gamma ()
___________
__  __ +
Alpha decay () + _________
___________
___________ + Gamma ()
90__
+
 __ + __ + 
+ 
________ 226
__  __ +
___________
__  __ +
Polonium ____
__  __ +
___________
__
  __ +
___________
__  __ +  + 
___________
__ __ +
Alpha decay () + Gamma ()

4
2
__
___________
Alpha decay ()
__________+__________

0
1
__ + 
Beta decay () + Gamma ()
Alpha decay ()

___________
__  83 __ +  + 
___________
__  __ +  + 
___________
__  __ + __
_________ 206
STABLE
Beta decay () + Gamma ()
Beta decay () + Gamma ()
Alpha decay ()
List of elements to help: Atomic number: symbol: Element.
80: Hg: Mercury, 81: Tl: Thallium, 82: Pb: Lead, 83: Bi: Bismuth, 84: Po: Polonium,
85: At: Astatine, 86: R: Radon, 87: Fr: Francium, 88: Ra: Radium, 89: Ac: Actinium,
90: Th: Thorium, 91: Pa: Protactinium, 92: U: Uranium.
The decay chain of Uranium-238.
Below is the complete decay chain of uranium-238, you need to work out the decay
equations for each step and fill in the blanks. The first step is done for you.
U42   234
90Th
Uranium 238:
238
92
Thorium 234:
__  __ + __ + __
Alpha decay ()
Beta decay () + Gamma ()

___________
234
Beta decay () + Gamma ()
__  __ + __ + __
__  __ + __ + 
___________
Alpha decay () + _________
___________
90__
___________ + __________
 __ + __ + __
________ 226
__  __ + __ + __
___________
__ 
Polonium ____
__  __ + __
___________
__ 
Alpha decay () + Gamma ()
_____________
4
2
__ + __
Alpha decay ()
__________+__________

0
1
__ + __ + 
___________
__  __ + __ + __
___________
__  __ + __
Beta decay () + Gamma ()
Alpha decay ()

___________
__  __ + 83 __ + __
___________
__  __ + __ + __
___________
__  __ + __
_________ 206
STABLE
Beta decay () + Gamma ()
Beta decay () + Gamma ()
Alpha decay ()
List of elements to help: Atomic number: symbol: Element.
80: Hg: Mercury, 81: Tl: Thallium, 82: Pb: Lead, 83: Bi: Bismuth, 84: Po: Polonium,
85: At: Astatine, 86: R: Radon, 87: Fr: Francium, 88: Ra: Radium, 89: Ac: Actinium,
90: Th: Thorium, 91: Pa: Protactinium, 92: U: Uranium.