The Periodic Table of Elements
Dmitri Mendeleev generally is credited with the creation of the first periodic table, which charts the chemical elements by atomic number and valence shell electron configuration.
In chemistry, a group is a column of elements in the periodic table of the chemical
elements. .... IIIA, boron family, triels, icosagens, triels from Greek tri (three, III).
In the periodic table of elements, there are seven horizontal rows of elements
called periods. The vertical columns of elements are called groups, or families.
Chem4Kids.com! This tutorial introduces families of the periodic table. Other
sections include matter, elements, reactions, and biochemistry.
Elements may be categorized according to element families. This is an ...
Columns of the periodic table typically mark groups or families. Three systems
The Periodic table can also be divided into several families of elements each
having similar properties. For our purposes we will define the following ten
Take a look now at the first group or column in the Periodic Table. It is the one
marked "1A" in the Period Table figure above. The groups or families are the ...
Oct 3, 2010 ... A group is a vertical column in the Periodic Table of Elements. They are
considered the most important method in classifying the different ...
Families of the Periodic Table of Elements. Each of the elements in the Periodic
Table can be divided into one of nine groups. These groups share many similar ...
Interactives -- The Periodic Table, Pick Another Interactive ... Just as most groups
or families tend have some specific characteristics or traits in common (like ...