Post Utme Wellspring University 2021 Chemistry Question 8

Practice objective / multiple choice question 8 from the 2021 Post Utme Wellspring University Chemistry examination.

Post Utme Wellspring University 2021 Chemistry Objective / Multiple Choice
Question 8 POST_UTME_WELLSPRING_UNIVERSITY • 2021 • CHEMISTRY • objective

The half-life of a radioactive subs\tance is 5.00 days. If 100.0 mg of the subs\tance initially exists, how much will remain after 20.0 days?

Answer Options

A. 50.0 mg
B. 25.0 mg
C. 12.5 mg
Correct Answer D. 6.25 mg
Correct Answer
D
Correct Option:
6.25 mg

About This Question

This is Post Utme Wellspring University 2021 Chemistry Question 8. It is one of the objective questions from the 2021 Post Utme Wellspring University Chemistry examination.

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