Examlex
Key Terms Instructions: Please define the following key terms. Show Who? What? Where? When? Why Important?
Frederick William IV
Radiometric Dating
A method for determining the age of an object based on the decay rate of radioactive isotopes contained within it.
Half-Life
The time required for half the quantity of a radioactive substance to undergo decay or for a drug's concentration in the body to be reduced by half.
Isotope
Variants of a particular chemical element that differ in neutron number, and therefore in mass, but share the same chemical properties.
Atoms Decay
A natural process by which the nucleus of an unstable atom loses energy by emitting radiation, leading to the transformation of the atom into a different element or isotope.
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