Carbon dating and half life calculations line dating advice

02-Jan-2018 19:40

In any sample of a given radioactive substance, the number of atoms of the radioactive isotope must decrease with time as their nuclei decay to nuclei of a more stable isotope.

Using Activity is usually measured in disintegrations per second (dps) or disintegrations per minute (dpm).

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For a given number of atoms, isotopes with shorter half-lives decay more rapidly, undergoing a greater number of radioactive decays per unit time than do isotopes with longer half-lives.

Answer: 4.3 × 10 Radioactivity, or radioactive decay, is the emission of a particle or a photon that results from the spontaneous decomposition of the unstable nucleus of an atom.