When $\begin{array} { c } 218\\84\end{array}$ Po Emits a Beta Particle,it Transforms into a New Element

question 45

Multiple Choice

When $\begin{array} { c } 218\\84\end{array}$ Po emits a beta particle,it transforms into a new element.What are the atomic number and atomic mass of this new element?

• A)atomic number = 84; atomic mass = 219
• B)atomic number = 86; atomic mass = 214
• C)atomic number = 85; atomic mass = 218
• D)atomic number = 82; atomic mass = 214

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