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Chemistry: 08 - Radioactivity > Half-Life > Flashcards

Flashcards in Half-Life Deck (5)
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1

How can the emission of radiation from a radioactive isotope be described?

It can be described as an entirely random process

2

What is found if one studies the rate at which any particular radioactive isotope breaks up?

It is found that each radioactive isotope decays at its own rate

3

What is the half-life of an element?

The time taken for half of the nuclei in any given sample to decay

4

What is the half-life of elements used to compare?

It is used to compare the rate of decay of radioactive isotopes

5

What two instruments may be used to find the half-life of a radioactive material

A Geiger-Muller tube and ratemeter