Introduction
The periodic table is most used when looking at elements. But have you every wondered why they are grouped or number the way they are? Well two men had a significant role in just that - how they are grouped and numbered. We can learned many things about the periodic table this year. So I'm going to share it with you.
Both of these men had a significant role in creating the periodic table. For more information check out my prezi. Dmitri Mendeleev (left) arranged the elements in his periodic table in order of increasing atomic number. J.W. Dobereiner (right) organized his periodic table by which elements had the same traits.
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To find out more information about periodic tables, how they are classified, group names, periods vs. groups, and history check out my prezi. click on the dash to continue on to preside _
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