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Looking for a quick definition?

We’ve got loads of key subject terms in our subject glossaries. There are three ways of finding what you are looking for:

  • First click on the letters of the alphabet to browse for terms.
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EXAMPLES

Here are some examples of the kinds of definitions you’ll find on this page.

the electrons in the outermost occupied shell of an atom.

the energy level, or shell, of an atom that contains the valence electrons.

a number that indicates how the atom will react during the formation of chemical bonds.

a measure of the number of bonds formed by an atom of a given element.

Subject:

syncline

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