Column A
1. Radioactivity: c. when a substance spontaneously emits radiation
2. Radioisotope: d. an atom with an unstable nucleus
3. Isotope: b. atoms of the same element with differing numbers of neutrons
4. Radiation: a. Rays and particles emitted by radioactive materials
Match the word to its definition/description.
Column A
1.
Radioactivity:
Radioactivity
2.
Radioisotope:
Radioisotope
3.
Isotope:
Isotope
4.
Radiation:
Radiation
Column B
a.Rays and particles emitted by radioactive materials
b.atoms of the same element with differing numbers of neutrons
c.when a substance spontaneously emits radiation
d.an atom with an unstable nucleus
1 answer