Meaning & Definition of word "Isotope"

noun:

• 1. One of two or more forms of an element that have the same number of protons but different numbers of neutrons in their nuclei, resulting in different atomic masses.
  • Example: Carbon-12 and Carbon-14 are two stable isotopes of carbon.
• 2. Isotopes can be stable or unstable, with the latter undergoing radioactive decay.
  • Example: Scientists use stable isotopes to trace biochemical processes in the body.
• 3. In nuclear medicine, isotopes are often used for diagnostic imaging or treatment.
  • Example: The isotope iodine-131 is frequently used in the treatment of thyroid cancer.
• 4. Different isotopes of an element can have significant implications in fields like archaeology and environmental science.
  • Example: By analyzing the isotopes of carbon in ancient bones, researchers can learn about the diets of early humans.
• 5. Isotopes have applications in various scientific fields, including geology and forensics.
  • Example: The use of lead isotopes can help trace the origins of pollution in the environment.