Basic Examples (3) 

Display the electron-dot symbol for carbon:

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Display the electron-dot symbol for carbon as Text:

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Show the Lewis formula for arsenide anion:

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Show the Lewis formula for arsenide anion as Text:

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Generate the Lewis formula for chlorine-37:

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Generate the Lewis formula for chlorine-37 as Text:

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Scope (5) 

Generate the Lewis symbol for a ChemicalInstance of oxygen:

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An equivalent specification using Atom:

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An equivalent specification using ChemicalFormula:

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An equivalent specification using Entity:

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An equivalent specification using Molecule:

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Options (10) 

Alignment (1) 

Adjust the alignment of unpaired electrons:

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AtomColor (1) 

Change the default atomic symbol color:

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DotColor (1) 

Change the default electron dot color:

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DotPlacement (1) 

Specify the placement of unpaired electrons:

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ElectronFilliing (2) 

Lewis symbols predated quantum mechanics by over 20 years, so the default results for He may surprise modern chemists:

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Use "spShell" to graft quantum mechanical electron filling onto Lewis symbols:

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Compare the electron dot filling methods:

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FontSize (1) 

Adjust the atomic symbol font size:

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NetCharge (1) 

Specify the charge for ions:

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PairPlacement (1) 

Specify the placement of paired electrons:

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ValenceElectronCount (1) 

Elements not contained in the s and p blocks of the periodic table may utilize electrons with different principle quantum numbers as valence electrons:

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Applications (2) 

Build Lewis structures for binary salts:

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Typeset Lewis structures for binary salts:

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Properties and Relations (3) 

Lists are automatically threaded over:

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PlotRange and ImageSize in combination with FontSize can be used to reduce the white space in a Lewis symbol:

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Text results can be turned into Graphics:

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Possible Issues (5) 

Palladium fails since it has more than eight valence electrons:

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Form the dication to see results:

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A net charge larger than the number of valence electrons fails:

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An anion with more than eight electrons fails:

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The default valence electron count may be overly simplistic for elements not contained in the s and p blocks of the periodic table:

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In this case two 7s electrons, three 5f electrons and one 6d electron are valence electrons:

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Unexpected results may occur for ions that fill a shell:

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Since Lewis symbols predate quantum mechanical electron configurations, use "ValenceElectronCount" to adjust the electron count:

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Neat Examples (2) 

Build the Lewis symbol for element 119:

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Depict ionization reactions with Lewis electron-dot symbols:

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