Nuclear Chemistry - Introduction
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17 Terms
Nuclear Chemistry
The study of phenomena that originates within the nuclei of atoms
Radioactivity
Small particles and/or electromagnetic radiation are emitted from an unstable atomic nuclei
Mass number
A
Number of neutrons
Z
Mass Number Formula
Number of neutrons + Number of protons
Marie and Pierre Curie
Isolated the uranium rays | Scientists
Marie Curie
Proposed the term radioactivity | Scientists
Polonium and Radium
2 new elements identified by Marie Curie on the basis of their radioactivity
Isotopes
Same elements with different number of neutrons
Radioisotopes
Isotopes of atoms with an unstable nuclei
Radioactive decay
When unstable nuclei lose energy by emitting radiation to become more stable