MHT-CET · Atoms and Nuclei (Class 12) · Quiz
Atoms and Nuclei (Class 12) — quick quiz
5 MHT-CET-pattern questions on Atoms and Nuclei (Class 12). Instant scoring and solutions — see where you stand in a few minutes.
Question 1 of 5
MediumA radioactive element X undergoes decay with a half-life of 4 days. If initially there are 8 × 10²⁰ atoms, how many atoms of X will remain after 12 days?