There are 118, but some tables still list only the most common, up to element 111, Rg (roentgenium)
Scientists have discovered up to element 118, but four of the 118 have not been named except for their provisional designations (113 = ununtrium, 115 = ununpentium, 117 = ununseptium, 118= ununoctium).
there are precisely 118 elements on the periodic table.
It's 118 chemical elements in the periodic table.
The Periodic Table has 118 elements and counting...
There are 38 transition elements in the periodic table.
118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).
The periodic table of elements does not contain laws, only elements.
There are 118 elements on the periodic table.
Currently the Periodic Table lists 118 elements.
118 chemical elements are now in the periodic table.
There are currently 118 elements in the periodic table.
There are 18 groups in the periodic table of elements.
There are 117 elements on the periodic table, however, there is one blank spot that lies on the periodic table of elements, it has the atomic number of 117. If it were discovered, there would be 118 elements on the periodic table of elements.