Helium, argon, krypton, xenon, radon, and uuo
Both arrange elements in groups of elements having similar properties.
Both arrange elements in groups of elements having similar properties.
Chemical properties.
The periodic table
it is the ~group~ of the periodic table of elements
A group of elements.
periodic table of elements
The properties of chemical elements have a periodic trend.
Periodic table comprises of elements arranged in rows and columns.So that the elements having similar properties appear together.
In Mendeleev's periodic table the elements are arranged in increasing atomic mass and repeating properties whereas in in the modern periodic table the elements are arranged in increasing atomic number and repeating properties.
...chemical properties.
Groups are arranged as columns in the periodic table; the contained elements have similar properties.