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Chemistry Test 2
atoms, ions, isotopes, beta, alpha, gamma, scientist of PT
Term | Definition |
---|---|
atomic theory | |
John Dalton | |
JJ Thomson | |
Ernest Rutherford | |
James Chadwick | |
Atoms | |
Ions | |
Isotopes | |
alkali metals | |
alkaline earth metals | |
transition metals | |
inner transition metals | |
post transition metals | |
non metals | |
metalloids | |
halogens | |
noble gases | |
Alpha Decay | -mass decreases by 4 and the atomic number decreases by 2 -(fish symbol)=4/2 He |
Beta Decay | -no mass change, atomic number increases by 1 -(B symbol)=0/-1 B |
Gamma Rays | -high energy photon of light -(Y symbol)=0/0 Y |