When $\begin{array} { c } 226 \\88\end{array}$ Ra Decays by Emitting an Alpha Particle,what Is the Atomic

question 56

Multiple Choice

When $\begin{array} { c } 226 \\88\end{array}$ Ra decays by emitting an alpha particle,what is the atomic number of the resulting nucleus? What is the resulting atomic mass?

• A)atomic number = 86; atomic mass = 222
• B)atomic number = 87; atomic mass = 226
• C)atomic number = 86; atomic mass = 224
• D)atomic number = 87; atomic mass = 224

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Definitions:

Associative Network

Model of memory in which nodes or ideas are connected by associative links along which cognitive activation can spread.

Fuzzy Set

A mathematical concept where an element's membership in a set is graded rather than binary, reflecting real-world ambiguities.

Exemplar

A typical or standard example that represents a larger category or idea.

Self-Schema

A cognitive representation of oneself that includes beliefs, feelings, and experiences, guiding how information about self is processed.