Enter a structural formula (e.g. CaO2) and click the button.
Note: the formula must not contain other characters than the elements and numbers.
E.g. parentheses or hyphens or other types of interpunction will not be recognized.
However, elements may occur at more than one location (e.g. HOH works fine; same as H2O).
And of course an appropriate use of caps is required...
One-character elements:
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Two-character elements:
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(continued)
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