There were 102 known elements on the Periodic Table in 1960.
It's 118 chemical elements in the periodic table.
118 elements are in the periodic table of elements; some of them are still unnamed (January 2013).
Currently the Periodic Table lists 118 elements.
There are currently 118 elements in the periodic table.
There are 18 groups in the periodic table of elements.
There were 103 elements on the periodic table in 1968.
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.
There are currently 118 elements in the periodic table.
118 chemical elements are now in the periodic table.
There are 18 groups in the periodic table of elements.