elements
The periodic table contain all the chemical elements.
Periodic table contain only chemical elements.
There are a total of 18 groups on The Periodic Table of Elements.
Periodic table contain only chemical elements not compounds.
There are a total of 18 groups on The Periodic Table of Elements.
The periodic table contain all chemical elements. For the table see the link below.
Periods are the horizontal rows in the periodic table of Mendeleev; this table contain 7 periods.
The periodic table of elements does not contain laws, only elements.
All groups in the periodic table contain chemical elements.
The periodic table contain solid, liquid and gaseous chemical elements.
The periodic table contain all chemical elements, placed in a rational order.
Periodic table comprises of all the elements. There are variety of elements in nature.