1
Q
atoms of an element that has the same number of protons, and different neutrons
A
isotope
2
Q
proton is
A
atomic number
3
Q
neutron is
A
mass number - atomic number
4
Q
electron is
A
equivalent to rpoton
5
Q
mass is
A
proton + neutron
6
Q
Chemotherapy
A
cobalt 60
7
Q
Archaeological dating
A
c-14
8
Q
dating rocks
A
U-238
Gen Chem
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