The equation of transmutation as shown is balanced because the total mass on the left hand side is equal to the total mass on the right hand side.
Transmutation refers to the bombardment of of one isotope to another. It is a process that is commonly used to create new elements.
The equation of transmutation of radon into polonium and an alpha particle is shown. A balanced nuclear equation has equal mass and charge on both sides of the equation. The equation of transmutation as shown is balanced because the total mass on the left hand side is 219 and the total charge is 86. This is exactly the case on the right hand side of the equation. Recall that the alpha particle has a mass of four units and a charge of 2 units.
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