The Half-Life of ³⁰P Is 2 $\times$ 10¹⁰ Nuclei Present Initially,after 10

question 71

Multiple Choice

The half-life of ³⁰P is 2.50 minutes.If a sample of ³⁰P has 1.60 $\times$ 10¹⁰ nuclei present initially,after 10.0 minutes how many remain?

• A) 0.800 \(\times\) 10¹⁰
• B) 0.400 \(\times\) 10¹⁰
• C) 0.200 \(\times\) 10¹⁰
• D) 0.100 \(\times\) 10¹⁰
• E) 0.050 \(\times\) 10¹⁰

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Definitions:

Compulsions

Repetitive behaviors or mental acts that an individual feels he or she must perform.

Avoidant Personality Disorder

A disorder characterized by a long-standing pattern of extreme shyness, feelings of inadequacy, and sensitivity to rejection, leading to social inhibition and avoidance of social interactions.

Genetics

The study of genes, genetic variation, and heredity in living organisms; explaining how traits and characteristics are passed from one generation to the next.

Obsessive-Compulsive Disorder

A chronic disorder where a person has uncontrollable, reoccurring thoughts (obsessions) and behaviors (compulsions) that he or she feels the urge to repeat over and over.