When Ra Decays by Emitting an Alpha Particle, What

question 46

Multiple Choice

When 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:

Socially Functional

Refers to the aspect or behavior of individuals that contributes positively to the operation or well-being of societal structures and relationships.

Omnipresent

Existing or being present in all places at the same time, often used to describe divine or supernatural entities.

Bystander Effect

A social psychological phenomenon where individuals are less likely to offer help to a victim when other people are present.

Hidden Prejudice

Prejudicial attitudes or biases that are not overtly expressed or are consciously recognized by individuals.