Nuclear Chemistry

Pregunta	Respuesta
Nuclear Chemistry?	particles emitted from an unstable nuclei.
what is radiation?	The emission of energy or particles through space or a medium.
Describe how radioactivity was discovered?	Henri bexquerel discovered radioactivity when observing uranium salts.
Why is radiation harmful to both living and nonliving things?	Radiation can damage DNA in living things and can alter nonliving things yo make them harmful.
Identify three uses of radiation?	Medical, Industrial and power.
Assume that an isotope has 83 proton and 83 neutron.Is it radioactive? why or why not?	The isotope is stable because of the ratio of protons and neutrons.
What is radioactive decay?	The spontaneous breakdown of atomic nuclei.
Define half-life?	The time taken for the radioactivity of a specificed isotope to fall to half its original value.

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	Creado por Shoshanna Zemel hace casi 8 años