Scientists Use Carbon Dating to Determine the Age of Fossils

question 37

Multiple Choice

Scientists use carbon dating to determine the age of fossils. 14C is a rare isotope of carbon that has a half life of 5730 years and decays into 14N. By measuring the amount of 14C remaining in a fossil, scientists can estimate when the organism died to within 60,000 years. The atomic numbers of C is 6 and of N is 7.
-The most common isotope of carbon is ¹²C.¹⁴C has ____ than ¹²C.

• A) more protons
• B) more neutrons
• C) fewer neutrons
• D) fewer protons
• E) more electrons

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Definitions:

Psychotropic

Pertaining to drugs that affect a person's mental state, used to treat psychiatric disorders and conditions.

Psychogenic

Originating from psychological or emotional factors rather than physical causes.

Hopeless

A feeling of despair or defeat, believing that there is no possibility of improvement or success in a particular situation.

Suicide

The act of purposefully ceasing one’s own life.