noun, plural -lives . 1. Physics . the time required for one half the atoms of a given amount of a radioactive substance to disintegrate. 2. Also called biological .

half-life (h f l f, h�f-) n. 1. Physics The time required for half the nuclei in a sample of a specific isotopic species to undergo radioactive decay.

Definition of Half-Life and related concepts. . Half-life is the length of time it takes an amount (x) of a radioactive element to decay to half of the original .

Definition Radioactivity: Spontaneous changes in a nucleus accompanied by the emission of energy from the nucleus as a radiation. Radioactive Half-Life: A period of .

n the half-life of a radioactive isotope in a biologic organism, resulting from the combination of radioactive decay and radioactive half life definition biologic elimination. half-life, physical,

half-life definition: The average time needed for half the nuclei in a sample of a radioactive substance to undergo radioactive decay. The half-life of a substance .

The time required for half of the nuclei in a sample of a specific isotope to undergo radioactive decay. � (chemistry) In a chemical reaction, the time .

Halflife The applet lists a "halflife" for each radioactive isotope. What does that mean? The halflife is the amount of time it takes for half of the atoms in a .

That definition may not mean . discussion of half-life and radioactive decay prepares entry-level radioactive half life definition students for the introduction of more mathematical .

Radioactive half-life: the time required for a quantity of a radioisotope to decay by half. For example, because the half-life of iodine-131 (I-131) .

For example, carbon-14, a radioactive nuclide with a half-life of only 5730 years, . Ra-226. At present it is equal, by definition, .

radioactive half-life. See half-life. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit .

radioactive half-life [�r

Definition: The term which is . Radioactive half-life refers to the decay of radioactive substances. Iodine-131, for instance, has a half-life of 8 days whereas that of .

1. Half-life is the time taken for half of the radioactive nuclei to decay. 2. Half-life is the time taken for the count rate to fall to half of its original reading.

.
Related links: streaming video adrian grenier entourage boston red car orange cab save streaming video clips Badoo para black berry gratis bargain camel snus tobacco kenwood plasma tv stands wal directory yaoi anime titles