Federal Emergency Management Agency (FEMA) Standardized Awareness Practice Test

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Study for the Federal Emergency Management Agency (FEMA) Standardized Awareness Test. Prepare with focused quizzes and flashcards, each with detailed hints and explanations. Get ready to excel in your exam!

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Which type of radioactive emission is described as having no electrical charge?

Alpha particles
Beta particles
Neutrons
Gamma rays

The correct answer is: Neutrons

The type of radioactive emission characterized by having no electrical charge is neutrons. Neutrons are neutral particles found in the nucleus of an atom and do not have a positive or negative charge, which distinguishes them from alpha and beta particles. Alpha particles are positively charged due to consisting of two protons and two neutrons, while beta particles carry a negative or positive charge depending on whether they are electrons or positrons. Gamma rays, on the other hand, are a form of high-energy electromagnetic radiation and also do not carry charge, but importantly, they are not particles in the sense of having mass like neutrons do. Therefore, neutrons are specifically notable for being uncharged particles among the emissions listed, making them the correct choice.