Which of the Following Is the Best Definition of the Term

question 1

Multiple Choice

Which of the following is the best definition of the term half-life,as it applies to radioactive substances?

• A)The time it takes for one half of the radioactive atoms in a sample to decay
• B)Half of the time it takes for the radioactive atoms in a sample to decay
• C)The number of radioactive atoms in a sample that decay in one half of a specified time period
• D)The average lifetime of a radioactive atom
• E)Half of the average lifetime of a radioactive atom

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Definitions:

Obligor

A contractual party who agrees to do something for the other party.

Donee Beneficiary

A donee beneficiary is a third party who benefits from a contract made between two other parties, where the intent is to gift the benefits of the contract to this third party.

Incidental Beneficiary

A third party who benefits from a contract incidentally but has no legal right to enforce the contract or claim damages.

Creditor Beneficiary

A third party who benefits from a contract in which the promisor agrees to pay the promisee’s debt.