Free ACS General Chemistry Practice Test Questions

Question # 9

The half-life of a radioisotope is 5.0 hours. If you start with 80.0 g, how much remains after 15.0 hours?

Options:

10.0 g

20.0 g

5.0 g

40.0 g

Viewing question 9 out of 71 questions

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ACS General Chemistry Overview

Name	ACS General Chemistry
Code	ACS General Chemistry
Vendor	College Admission and Placement
Certification	American Chemical Society (ACS) Examinations Institute

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