RADIOACTIVITY Flashcards
1
Q
Radioactivity
A
the spontaneous breaking up of unstable nuclei with the emission of one or more types of radiation.
2
Q
Half Life
A
of an element is the time taken for half of the nuclei in any given sample to decay.
3
Q
Radio Isotope
A
Radioactive Isotope
4
Q
Isotopes
A
are atoms of the same element, with the same atomic number, but different mass numbers due to the different number of neutrons in the nucleus.
