radioactivity

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If the nucleus has too few neutrons, it will emit a ‘package’ of two protons and two neutrons called an
alpha particle
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If the nucleus has too many neutrons, a neutron will turn into a proton and emit a fast-moving electron. This electron is called a
beta particle
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is an electromagnetic wave . It is at the small wavelength end of the electromagnetic spectrum
gamma particle
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the thing that radioactivity is detected with
geiger muller
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Radioactive decay is a process
random
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Half-life is the time it takes for half of the nuclei in a sample to decay
unstable
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is the time it takes for half of the unstable nuclei in a sample to decay
half life
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Other cards in this set

Card 2

Front

If the nucleus has too many neutrons, a neutron will turn into a proton and emit a fast-moving electron. This electron is called a

Back

beta particle

Card 3

Front

is an electromagnetic wave . It is at the small wavelength end of the electromagnetic spectrum

Back

Preview of the front of card 3

Card 4

Front

the thing that radioactivity is detected with

Back

Preview of the front of card 4

Card 5

Front

Radioactive decay is a process

Back

Preview of the front of card 5
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