Half-Life

Module: From the Universe to the Atom

Overview

N = N₀e^(-λt)

Core Ideas

  • Define the concept in your own words.
  • Identify the key variables and relationships.
  • Connect the concept to the module inquiry question.

Key Formulas

  • Half-Life: \[\lambda = \frac{\ln 2}{t_{1/2}}\]

Exam Focus

  • Expect both multiple choice and short answer questions.
  • Show working and use correct units.