isotopes Flashcards
1
Q
what is an isotope?
A
an element determined by the atomic number
2
Q
isotopes of an element have ____ atomic number but ____ mass numbers due to _____ numbers of neutrons
A
the same / different / different
3
Q
what is a radioisotope?
A
isotopes with unstable nucluei
4
Q
what is radioactivity?
A
particles emitted from nuclei due to nuclear instability
5
Q
what 3 things do radioactive particles include?
A
alpha particles
beta particles
gamma rays
