Radioisotopes used in radiometric dating

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Added: 17.03.2021
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In physics , radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium. Radiation is often categorized as either ionizing or non-ionizing depending on the energy of the radiated particles. Ionizing radiation carries more than 10 eV , which is enough to ionize atoms and molecules and break chemical bonds. This is an important distinction due to the large difference in harmfulness to living organisms. Other sources include X-rays from medical radiography examinations and muons , mesons , positrons, neutrons and other particles that constitute the secondary cosmic rays that are produced after primary cosmic rays interact with Earth's atmosphere. Gamma rays, X-rays and the higher energy range of ultraviolet light constitute the ionizing part of the electromagnetic spectrum.
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How Is Radioactive Dating Used to Determine the Age of an Object?

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How Is Radioactive Dating Used to Determine the Age of an Object?

Isotopes are variants of a particular chemical element which differ in neutron number , and consequently in nucleon number. All isotopes of a given element have the same number of protons but different numbers of neutrons in each atom. The number of protons within the atom's nucleus is called atomic number and is equal to the number of electrons in the neutral non-ionized atom. Each atomic number identifies a specific element, but not the isotope; an atom of a given element may have a wide range in its number of neutrons.
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Radiometric Dating

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