# How Many Groups Are in the Periodic Table?

A period is a row in which elements are arranged in a periodic table. There are seven periods in the table and elements are grouped in eighteen different groups. The periodic table contains metal elements and non metal elements.
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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.
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Q&A Related to "How Many Groups Are in the Periodic Table?"
 Dmitri Meendeley was the creator of the periodic table in the year 1869. His table looks something like the periodic table we use today. The table shows groups of elements. Look here http://answers.ask.com/Chemistry/Science/who_creat...
 There are a total of 18 groups on the periodic table. In the American periodic table, groups are labeled numerically, whereas in Europe, they are labeled by using Roman numerals. http://www.ehow.com/facts_5542020_group-periodic-t...
 1 Print out a copy of the periodic table . This will be your Bible for the next couple of weeks. Wherever you go, it will go with you. It's advisable to print out more than one copy http://www.wikihow.com/Memorise-the-Periodic-Table
 The periodic table of the chemical elements (also known as the periodic table or periodic table of the elements) is a tabular display of the 118 known chemical elements organized http://www.quora.com/How-is-the-periodic-table-arr...
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