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Formula

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To Write a Chemical Formula in OWL
Enclose subscripts with underscores _. Enclose superscripts with carats ^.
The underscore key is next to the number zero on the keyboard. The carat key is the number six on the keyboard.
H_2_O = H2O Cr^3+^ = Cr3+
Combined: SO_4_^2−^ = SO42−

Ions Unit Charge Ions
Write the number first and then the charge. Do not include the number one in unit charge ions.
N^3−^ = N3−
Ca^2+^ = Ca2+ Na^+^ = Na+
Cl^−^ = Cl−
Using the Chemical Formula Input
The chemical formula input box displays the superscripts and subscripts as you enter the formula. There are 3 ways to use the input box.
• Keyboard: Use the keyboard to enter underscores and carats on your own.
• Buttons after: Enter the formula without underscores or carats, then highlight each superscript and/or subscript, click the appropriate subscript or superscript button, and the underscores or carats will be filled in automatically.
• Button during: Use the subscript or superscript buttons to enter the underscores and carats while you type the formula.

To Write a Chemical Formula in OWL
Enclose subscripts with underscores _. Enclose superscripts with carats ^.
The underscore key is next to the number zero on the keyboard. The carat key is the number six on the keyboard.
H_2_O = H2O Cr^3+^ = Cr3+
Combined: SO_4_^2−^ = SO42−

Ions Unit Charge Ions
Write the number first and then the charge. Do not include the number one in unit charge ions.
N^3−^ = N3−
Ca^2+^ = Ca2+ Na^+^ = Na+
Cl^−^ = Cl−
Using the Chemical Formula Input
The chemical formula input box displays the superscripts

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