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12 Cards in this Set
- Front
- Back
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fussion
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combine smaller nuclei into large
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fission
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split large nucleus to smaller nuclei
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alpha decay
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emission of alpha particle (4/2 He nucleus)
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Beta decay
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emission of beta prticle
(0/-1B) |
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neutron decay
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emit neutron (1/0 n)
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proton decay
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emit proton (1/1 H)
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gamma decay
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emit gamma particle (0/0 gamma)
no change of charge or mass occur |
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positron emiision
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positive equivalent of B particle
emiision of (0/+1B) |
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electron capture
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rxn involving positron
adding 0/-1e |
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radioactive decay half life
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time required for half of any given quantity of substance to react
the amt of radioactive substance that remains after a period of decay will decrease exponentially with increasing decay time |
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how much remains after decay?
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1/2^n
n is number of half life |
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how much decayed?
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1-1/2^n
n is number of half life |
