Examkits is a JAMB CBT practice platform that provides over 20 years of past questions, Post UTME questions, and detailed video solutions to help students prepare for their exams.

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Do you offer video solutions for JAMB questions?

Yes, Examkits provides detailed video explanations for all JAMB past questions from 2000 to 2024, helping students understand how to solve each problem.

Examkits offers free practice for some subjects. However, full access requires a one-time affordable activation fee for each version of the app.

CHEMISTRY

JAMB 2022 - Question 21

Chemistry 2022 JAMB Past Questions - Question 21: A piece of radioactive element has initially 8.0×10²² atoms. The half life of two days after 16 days the number of atom is

A piece of radioactive element has initially 8.0×10²² atoms. The half life of two days after 16 days the number of atom is

A: 5×10²¹

B: 5×10²²

C: 25×10²¹

D: 25×10²²

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CHEMISTRY

Chemistry 2022 JAMB Past Questions - Question 21: A piece of radioactive element has initially 8.0×10²² atoms. The half life of two days after 16 days the number of atom is

Examkit's JAMB CBT App

Correct Answer

Explanation