Radioactivity
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More Lessons for Chemistry
This is a series of lectures in videos covering Chemistry topics taught in High Schools.
Chemistry Tutorial Discovery and Detection Of Radioactivity
Becquerel, the Curies, Rutherford...this video outlines the history of the discovery of radioactivity, how to detect radioactivity and why nuclei are radioactive.
This video demonstrates how to complete decay reactions for alpha, beta and positron decay.
Explaining how radioactive decay affects the composition of the parent atom and how the change is written as a balanced equation.
Try out our new and fun Fraction Concoction Game.
Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.
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