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Atomic Energyyyyyyyy
AWsome atomic energy gamma,alpha,beta
Question | Answer |
---|---|
Radioactivity | process when an unstable nucleus gives off nuclear radiation |
Henri Becquerel | discovered by _____________________ |
2 and 2 | alpha particle consists of ___ protons and ___ neutrons |
shortest | alpha decay travels _______ distance |
helium | alpha decay is a nucleus of a _________ atom |
decreases | atomic number ___________ 2 and mass number _________ 4 |
electron,positron | Beta decay: particlke consists of a(n)______ or __________ |
breakdown | Beta dacay: comes from the ____________ of a neutron |
greater | Beta decay: travels __________ distance |
1, stays the same | Beta decay: atomic number increases by _________, mass number________________ |
energy | Gamma decay: ray is pure ________(light) |
paper | alpha decay can be stopped by________ |
aluminuim | betta decay can be stopped by ___________ |
concrete | gamma decay can be stopped by______________ |
fossils | carbon dating ________ |
sickness, cell damage, cancer, damage to building structure medicane and finding leaks in pipes | name 2 examples that radiation can help you and 2 that are harmful to you |
damage metal | how radiation can harm non-living things |
half-life | the amount of time it takes for half of a radioactive substance to decay |