Radioactive elements decay via first-order kinetics. Consider a certain type of nucleus that has a rate constant of 2.4 *10^-² h^-¹. A sample contains 7.6 * 10⁸ radioactive nuclides. Calculate the time required to reduce that number to 1.6 *10⁸. A) 11.4 h B) 2.5 *10¹⁰ h C) 6.5 * 10¹ h D) 2.8 * 10¹ h E) 5.1 * 10^-¹ h

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The Answer of Radioactive elements decay via first-order kinetics. Consider a certain type of nucleus that has a rate constant of 2.4 *10^-² h^-¹. A sample contains 7.6 * 10⁸ radioactive nuclides. Calculate the time required to reduce that number to 1.6 *10⁸. A) 11.4 h B) 2.5 *10¹⁰ h C) 6.5 * 10¹ h D) 2.8 * 10¹ h E) 5.1 * 10^-¹ h

Radioactive Elements Decay Via First-Order Kinetics