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The energy given off in this reaction is carried by an x-ray photon, which is represented by the symbol hv, where h is Planck's constant and v is the frequency of the x-ray.
The product of this reaction can be predicted, once again, by assuming that mass and charge are conserved. They rapidly lose their kinetic energy as they pass through matter.
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Most of the time, the -ray is emitted within 10Nuclides with atomic numbers of 90 or more undergo a form of radioactive decay known as spontaneous fission in which the parent nucleus splits into a pair of smaller nuclei.
The heat had been generated by the repeated high speed collisions of much smaller bodies of space rocks that continually clumped together as they collided to form this planet.
Vital records—birth certificates, marriage certificates, death certificates and divorce decrees—are some of the best resources to help build a family tree.
Access guides, links and databases of vital records in countries around the world.
Download the file or view it on the computer and write down your answers on separate paper.
Print out the copies of the answer key and then compare your answers.