The time taken for half of the radioactive nuclei to decay
2 of 9
What can gamma rays be blocked by?
It cannot be blocked but slowed down by Lead
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What are the dangers of Radioactivity?
Radioactivity can mutate cells
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What is in an atom?
Protons, Neutrons and Electrons
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What is the mass of the electron?
Almost 0
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Ernest Rutherford founded out that the plum pudding model is wrong. He tested the plum pudding model by firing alpha particles to ______________. Then the alpha particles were deflected or repelled to the detector.
Gold foil
7 of 9
What is an isotope?
It is when there are the same amount of protons and electrons but different amounts of neutrons
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How is radioactive waste disposed?
It is buried deep underground.
9 of 9
Other cards in this set
Card 2
Front
What is half-life?
Back
The time taken for half of the radioactive nuclei to decay
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