 Systematic element name - The IUPAC rules: Encyclopedia II - Systematic element name - The IUPAC rulesThe temporary names are derived systematically from the element's atomic number. Each digit is translated to a 'numerical root', according to the table. The roots are concatenated, and the name is completed with the ending -ium. Some of the roots are Latin and others are Greek; the reason is to avoid duplicated letters. Some extra rules are designed to prevent funny-looking names.
If bi or tri is followed by the ending ium, one of the two i's is omitted.
If enn is followed by ...
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