Actinium Has an Atomic Number of 89

question 29

Multiple Choice

Actinium has an atomic number of 89. When _____ emits an alpha particle, actinium-227 is the resulting daughter isotope.

---

Definitions:

Product Positioning

The process of marketing a product in a way that differentiates it from competitors in the minds of consumers.

Window Shoppers

Individuals who browse goods in stores without the intention of making a purchase.

Sensory Adaptation

Sensory adaptation is the process by which sensory receptors become less sensitive to constant stimuli over time.

Hedonistic Consumption

the practice of making purchases based on the desire for pleasure, enjoyment, or luxury rather than necessity.