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Element Definition

Definition of Element

By , About.com Guide

A helium filled discharge tube shaped like the element's atomic symbol.

Helium is the second element on the periodic table of the elements.

pslawinski, metal-halide.net
Element Definition: A chemical element is a substance that cannot be broken down by chemical means. Elements are defined by the number of protons they possess.

Examples of Elements: copper, cesium, iron, neon
Element Facts
Element Quizzes

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