Purchase Solution

Understanding Radioactive Decay Calculations

Not what you're looking for?

Ask Custom Question

The half-life of Iodine-126 is 60 days. If the original sample had a mass of 50.0 grams, how much is left after 360 days?

Purchase this Solution

Solution Preview

To solve this problem, compare the half-life to the # of days:
half-life = 60 days
# of days = 360 ...

Purchase this Solution


Free BrainMass Quizzes
The Moon

Test your knowledge of moon phases and movement.

Intro to the Physics Waves

Some short-answer questions involving the basic vocabulary of string, sound, and water waves.

Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.