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Chapter: 11th Chemistry : UNIT 3 : Periodic Classification of Elements

Nomenclature of Elements with Atomic Number Greater than 100

Usually, when a new element is discovered, the discoverer suggests a name following IUPAC guidelines which will be approved after a public opinion.

Nomenclature of Elements with Atomic Number Greater than 100

Usually, when a new element is discovered, the discoverer suggests a name following IUPAC guidelines which will be approved after a public opinion. In the meantime, the new element will be called by a temporary name coined using the following IUPAC rules, until the IUPAC recognises the new name.

 

1. The name was derived directly from the atomic number of the new element using the following numerical roots.


2. The numerical roots corresponding to the atomic number are put together and ‘ium’ is added as suffix

3. The final ‘n’ of ‘enn’ is omitted when it is written before ‘nil’ (enn + nil = enil) similarly the final ‘i' of ‘bi’ and ‘tri’ is omitted when it written before ‘ium’ (bi + ium = bium; tri + ium = trium)

4. The symbol of the new element is derived from the first letter of the numerical roots. The following table illustrates these facts.




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11th Chemistry : UNIT 3 : Periodic Classification of Elements : Nomenclature of Elements with Atomic Number Greater than 100 |


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