No all he elements on the Periodic Table are arranged by the atomic number because some element are lighter than other and have more or less protons in the nucleus of the atom( The number of protons in an atom is the atomic number).
The Periodic Table was arranged by atomic number.
In the periodic table, the elements are arranged by atomic number
The modern version of the periodic table is arranged according to the atomic number.
Periodic table is arranged by atomic number. elements are arranged in groups and periods.
Now modern periodic table is arranged in order of increasing atomic number. The properties are found to be periodic when arranged in this pattern.
Elements are arranged in the increasing order of their atomic number in the periodic table.
According to the modern periodic table "Elements are the periodic function of their atomic number".They are arranged in increasing atomic no. in the periodic table.
The periodic table is arranged by the Atomic Number
Elements are arranged in the order of their atomic number on the periodic table.
Atomic Number (amount of protons)
The elements arranged according to their atomic number in the table are called periodic table.
Elements are arranged on the Periodic Table in the order of the atomic number, in groups and periods.