After Three Half-Lives Have Elapsed, the Amount of an 8

question 25

Multiple Choice

After three half-lives have elapsed, the amount of an 8.0 g sample of a radionuclide that

• A) remains undecayed is 1.0 g
• B) has decayed is 7.0 g
• C) remains undecayed is one-third the original amount
• D) more than one correct response
• E) no correct response

---

Definitions:

Warranty

A guarantee given to the purchaser by a manufacturer regarding the condition of its product and the promise to repair or replace it within a specified period of time.

OEM

Original Equipment Manufacturer; a company that produces parts and equipment that may be marketed by another manufacturer.

No-crank Condition

A situation where an engine does not turn over or crank when the ignition key is turned, indicating a failure in the starting system.

Discharged Batteries

Batteries that have been depleted of their stored electrical energy.