Group are based on similar properties. The elements having same chemical properties are grouped together.
There are 18 groups in the Periodic Table of elements.
Properties of elements are periodic function of atomic number. Elements with same chemical properties are grouped together.
the Periodic Table of elements
there are no compounds on a periodic table. only elements are placed in the periodic table and they are grouped by similar attributes
he drew up a table that grouped elements according to their atomic weights, his table became the basis for the periodic table of elements used today.
MOSLEY
Metals
Atomic Number
All groups in the periodic table contain chemical elements.
The periodic table is based on an element's number of atoms. The elements are arranged from least to most number of atoms.
The periodic table lists the elements that are currently known. They are grouped by atomic weight in most cases, by properties, and go in order by number of protons in the nucleus.
Group I, the Alkalai Metals