[DOC] [TLE] Half-life - Wikipedia [PAR] Half-life (abbreviated t12) is the time required for a quantity to reduce to half its 
initial value. The term is commonly used in nuclear physics to describe how 
quickly unstable atoms undergo, or how long stable atoms survive, radioactive 
decay. ... The original term, half-life period, dating to Ernest Rutherford's 
discovery of the... [DOC] [TLE] APPLICATIONS OF EXPONENTIAL AND LOGARITHMIC FUNCTIONS [PAR] DECAY WORD PROBLEMS: Problem 2: If a radioactive substance has a half-life 
of 300 years, how long will it take for the substance to decay to 10 percent of its 
initial amount? Answer: 997 years ... After 300 years only 50% of the substance is 
present; the corresponding point is $\left( 300,0.50\right) .$ After 600 years only... [DOC] [TLE] 4.6 Exponential and Logarithmic Models - Mathematics LibreTexts [PAR] Mar 9, 2014 ... In an earlier section, we discussed radioactive decay  the idea that ... Definition 
4.6.1: Half Life ... isotope is the time it takes for half the substance to decay. .... If a 
bone fragment is found that contains 20% of its original carbon-14, how .... 
doubling time can be found by solving for when the original quantity... [DOC] [TLE] Rate of Radioactive Decay - Boundless [PAR] Learn more about rate of radioactive decay in the Boundless open textbook. ... 
time taken for the activity of a given amount of a radioactive substance to decay to 
half of its initial value. ... There are also time-variable quantities to consider: ... At 
present, it is equal, by definition, to the activity of any radionuclide decaying with 
a... [DOC] [TLE] radioactivity - How does a half-life work? - Physics Stack Exchange [PAR] Mar 6, 2014 ... After another 5,730 years, a quarter of the original sample decays (and ... over 
5,730 years, each single carbon-14 atom has a 50% chance of decaying. ... 3 
Nuclear isomers and other excited nuclear states do exist, so it's ... If I can put it 
into my own words: If it takes a sample some amount of time to decay,... [DOC] [TLE] half life - Dictionnaires [PAR] 1.the time required for something to fall to half its initial value (in particular, the 
time ... (MeSH)The time it takes for a substance (drug, radioactive nuclide, or 
other) to lose ... The original term, dating to 1907, was "half-life period", which 
was later ... Half-lives are used to describe quantities undergoing exponential 
decayfor... [DOC] [TLE] What is meant by half-life? - It's a Question of Physics - The Atomic ... [PAR] The half-life of a radioactive substance is a characteristic constant. It measures 
the time it takes for a given amount of the substance to become reduced by ... 
above, 50% of the original mother substance decays into a new daughter 
substance. [DOC] [TLE] Half-life | Define Half-life at Dictionary.com [PAR] Half-life definition, Physics. the time required for one half the atoms of a given 
amount of a radioactive substance to disintegrate. ... Now the old problem of half-
life is taking its toll, and we cant even hope to keep up with the birth rate any 
more. ... the time taken for half of the atoms in a radioactive material to undergo 
decay . [DOC] [TLE] Initial Value Problems for Growth and Decay [PAR] Doubling Time: The amount of time it takes for a given population to double in ... 
of the radioactive isotope is proportional to its mass $ m $ ... Definition: Problem: 
... 50% of the original amount of substance (or material or population) to decay. [DOC] [TLE] Differential Equations - JackMathSolutions [PAR] quantity of the substance left undissolved. ... 5) A radioactive substance decays at 
a rate directly proportional to the amount ... Note that this equation is a solution to 
the original equation because .... that after 100 days it has lost 30 % of its initial 
amount. ... minutes when the ambient temperature is 25 C. How long will it

Question: Term for the time it takes a radioactive substance to decay to 50% of its original quantity
Answer: half-life