Q. What will be the IUPAC symbol and name for the element with atomic number $123 ?$
TS EAMCET 2020
Solution:
Element with atomic number $123$.
Number
Root
0
nil
1
un
2
bi
3
tri
4
quad
5
pent
6
hex
7
sept
8
oct
9
enn
- The roots are put together in the order of the digits, which make up the atomic number and terminated by 'ium' to spell out the name.
- The symbol of the element is composed of the initial letter of the numerical roots, which make up the name.
Hence, symbol for atomic number $123$ is $Ubt$ and $IUPAC$ name is unbitrium.
| Number | Root |
|---|---|
| 0 | nil |
| 1 | un |
| 2 | bi |
| 3 | tri |
| 4 | quad |
| 5 | pent |
| 6 | hex |
| 7 | sept |
| 8 | oct |
| 9 | enn |