How do you write an equation for the alpha decay of Actinium-218?

1 Answer
Feb 25, 2018

""_89^218 Ac -> ""_87^214 Fr + ""_2^4 alpha

Actinium-218 decays by alpha emission into Francium-214.

Explanation:

  • Mass number decreases by 4
  • Atomic number decreases by 2
  • Include the emitted alpha particle on the right of the equation