Chemical element

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Chemical Element

A Chemical Element (pronunciation: /ˈkɛmɪkəl ˈɛlɪmənt/) is a species of atoms having the same number of protons in their atomic nuclei. The term originates from the Greek word "stoicheion" (meaning "element") and the Latin word "elementum" (meaning "principle" or "rudiment").

Description

There are 118 confirmed chemical elements, from Hydrogen (the lightest element) to Oganesson (the heaviest). Each chemical element has a unique atomic number representing the number of protons in its nucleus. Chemical elements can combine to form chemical compounds.

Classification

Chemical elements can be classified into several categories based on their properties:

  • Metals: These are elements that are good conductors of heat and electricity.
  • Nonmetals: These are elements that are poor conductors of heat and electricity.
  • Metalloids: These are elements that have properties in between metals and nonmetals.

Properties

Each chemical element has specific properties including atomic number, atomic weight, and electron configuration. These properties determine the chemical element's behavior in chemical reactions.

See Also

References


External links

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