Matter And Light Flashcards
The term nuclear implies…
Processes that involve the nuclei of atoms
The term atomic implies
Involve the orbital electrons of an atom.
Nuclei of the same Element…
All possess the same number of protons
Isotopes (also termed nuclides) are…
Elements with different numbers of neutrons.
Nucleon
Sum of the number of protons and neutrons
The abundance of an isotope is the
Atom percentage of the isotope in a naturally occurring mixture of the element.
Artificially increasing the abundance of a specific isotope in an element is called…
Enrichment
Weight fraction
Ratio of elements in a give mixture.
Atom fraction (atomic abundance)
Ratio of isotopes in a given element
Nuclear processes may be divided into two types…
- The spontaneous disintegration of unstable nuclei, that is , radioactive decay.
- The interaction of various forms of radiation with matter in the form of collisions between nuclear particles or radiation and atomic nuclei, referred to as interactions or reactions.