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Electrons are negatively charged.
Ionize
The process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons.
Alpha Particles
A type of ionizing radiation consisting of two protons and two neutrons; they are a common form of particles emitted by radioactive materials.
Gamma Rays
Electromagnetic radiation of the highest frequency and energy, emitted from atomic nuclei during radioactive decay.
Background Radiation
The ionizing radiation present in the environment naturally from cosmic rays, radon gas, and other sources not due to deliberate human activity.
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