Chemistry Unit 2-Packet 2 Nuclear decay+ half life
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13 Terms
How many protons and neutrons in alpha decay?
2 protons and 2 neutrons
isotope notation of alpha decay?
4/2 He
What does the mass and atomic # go down by in Alpha decay?
mass # goes down by 4, atomic # goes down by 2
What is beta decay?
a fast moving electrons
Isotope notation of a beta particle
-0/1 e
during beta decay a neutrons becomes a…
proton and an electron
What happens to the mass # and atom # in beta decay?
mass # stays the same, atomic # increases by 1
During gamma radiation, the number of each subatomic particle does…
NOT change, BUT energy is still RELEASED
In gamma decay there is no change in..
atomic number or mass number
Just a release of energy
What types of radiation are ionizing?
waves and particles
what does ionizing mean?
has enough energy to rip an electron from an atom
helium nucleus
is an alpha particle
a wave is a..
gamma
Note 
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