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Electron Configurations Tool

Now you can retrieve electron configurations with the tool at
by submitting an element chemical symbol, name, or atomic number.

Janet Left Step Periodic Table Tool

Now you can use the tool at
to retrieve atomic numbers and symbols, inclusive of unknown elements (up to Z = 220); i.e., we found a way to transliterate atomic numbers to symbols.

The upper bound of 220 was adopted just to avoid screen display distortions.