The decay of Radium-226 will result in the products which is referred to as
Radon and Helium
It is represented by Rn and has a mass number of 222 and an atomic number
of 86. Alpha emission involves the creation of a new product and Helium
atom.
This simply means that the mass number of the parent element will be
reduced by 4 and the atomic number will be reduced by 2. This thereby
gives rise to ²²²₈₆Rn.
The explanation is shown in the attachment below.
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