In the Periodic Table, the elements are arranged by atomic number
Two--mercury and bromine
Periodic table was initially arranged by Mendeleev. It was rearranged by Moseley.
The Periodic Table was arranged by atomic number.
Groups 1-12 are metals 1-2 are the alkaline and alkaline earth metals, 3-12 are the transistion mrtals and.13-18 are nonmetals.
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.
The periodic table is arranged from left to right in the order of atomic numbers.
Periodic table is arranged by atomic number. elements are arranged in groups and periods.
Atom number 20 is Calcium (period IV, group 2)
All of the known 118 naturally occurring and synthetic elements are arranged on the periodic table.
CO3 is not placed in periodic table. Only elements are arranged in periodic table.
The periodic table is arranged by the Atomic Number