If the half-life of a radioisotope is 20,000 years, then a sample in which three-quarters of that radioisotope has decayed is __
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Answer:
Hexane is a 6-carbon hydrocarbon.
Cyclopentyl is a 5-carbon, hydrocarbon ring.
The 1- indicates that the cyclopentyl is attached to the first carbon in hexane.
Two ways of drawing the structure of 1-cyclopentylhexane are below:
