Section 24.1 Nuclear Chemistry – Flashcards
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The discovery of the ___ in 1895 Wilhelm Roentgen opened a whole new field of research
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X-Ray
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The Curies discovered that some forms of matter give off ___, a combination of particles and energy
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Radiation
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Marie Curie named this process ___
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Radioactivity
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Another term used to describe the process by which one element spontaneously changes into another element is ___
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Radioactive decay
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Any isotope that undergoes such changes is called a(n) ___
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Radioisotope
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One type is a form of energy know as ___
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Gamma rays
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The form of radiation containing the heavier particle is made up of helium nuclei called ___
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Alpha particles
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The form of radiation containing the lighter particle consists of electrons called ___
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Beta particles
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Wilhelm Roentgen discovered the form of energy known as ___
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X-Rays
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The form of nuclear radiation that has the greatest penetrating power is the ___
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Gamma ray
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The three types of radiation were first identified by ___
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Ernest Rutherford
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Each alpha particles carries ab electric charge of ___
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+2
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Each beta particle carries an electric charge of ___
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-1
