Nuclear Chemistry : Radioactivity Quiz

Quiz
*Theme/Title:	Radioactivity
* Description/Instructions
Radioactivity is a spontaneous and random phenomenon whereby unstable nuclei of certain elements radiate gamma rays, beta particles, and alpha particles in order to become stable. Gamma rays are high energy electromagnetic waves. Beta particles are electrons, and alpha particles are helium nuclei. When these particles are emitted, the nucleus converts into a stable nucleus. This is called radioactive decay. Not every element is radioactive, but many of them are. Examples include uranium, zinc, carbon, lead, promethium, and plutonium. Alpha decay, or the emission of a helium nucleus, reduces the atomic number of the existing element by two. Beta decay, or emission of an electron, increases the atomic number by one. Gamma decay changes the energy level of the nucleus, but does not affect the atomic number or the mass of the element. This quiz covers radiation. Use the above information to complete the following quiz.
Group:	Science Science Quizzes
Topic:	Nuclear Chemistry

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