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Electron

One of the particles of an atom. Electrons surround the positively charged nucleus of an atom and determine its chemical properties

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Electromagnetism

Used to describe magnetism created when electrical current is passed through a coiled conductor developing a negative and positive magnetic field at each pole

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Electrolysis

The process of running an electric current through an aqueous solution, to cause metals in a solution to redeposit onto a cathode

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Electrode

A conductor (as a metallic substance or carbon) used to establish electrical contact with a nonmetallic portion of a circuit (as in an electrolytic cell, a storage battery, an electron tube, or an arc lamp)

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Effusion

The property of gaseous matter that allows it to pass through porous bodies

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Element

The most basic particle possible, one that cannot be reduced or decomposed further

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Electrum

A naturally occurring alloy metal containing gold and silver