How to radioisotope dating

radiation sickness,harmful effect produced on body tissues by exposure to radioactive substances.

The biological action of radiation is not fully understood, but it is believed that a disturbance in cellular activity results from the chemical changes caused by ionization (see.....

Rutherford, who found that it consists of high-speed electrons......

electron,elementary particle carrying a unit charge of negative electricity.

It is the most energetic form of electromagnetic radiation, with a very short wavelength (high frequency)...... Gamma rays result from the transition of nuclei from excited states (higher energy) to their ground state (lowest energy), and their production is analogous to the emission of ordinary light caused by transitions of electrons within the atom (see atomspectrum,arrangement or display of light or other form of radiation separated according to wavelength, frequency, energy, or some other property.

Beams of charged particles can be separated into a spectrum according to mass in a mass spectrometer (see mass spectrograph)...... Gamma decay often accompanies alpha or beta decay and affects neither the atomic number nor the mass number of the nucleus.

One half-life is the time required for one half of any given quantity of the substance to decay......

, which is the time required for one half of a given quantity of the substance to decay.

Since its radioactivity presents a serious health hazard (see radiation sickness), disposing of such material is a great problem......

nucleus,in physics, the extremely dense central core of an atom.

The Nature of the Nucleus Composition Atomic nuclei are composed of two types of particles, protons and neutrons, which are collectively known as nucleons......

particle accelerator,apparatus used in nuclear physics to produce beams of energetic charged particles and to direct them against various targets.

Such machines, popularly called atom smashers, are needed to observe objects as small as the atomic nucleus in studies of its..... Essentially there is no difference between these two manifestations of radioactivity.

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