Periodic Table
Published on Feb 21, 2016
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PRESENTATION OUTLINE
Elements are grouped on the periodic table according to how they LOOK and ACT
Photo by Emilie Ogez
Rows are called periods on the periodic table and tell us the number of electrons shells that any element in that row has
Photo by Wolfram Burner
There are 18 groups/families on the PT. Elements in these groups have common chemical/physical properties
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Most of the elements are solid at room temperature
the rest exist in a liquid or gas state
Photo by Johnson Cameraface
The majority of the elements are metals
Photo by antonychammond
On the PT there is a stairstep/zigzag line beginning at Boron. This stairstep separates metals from nonmetals. Metals are on the left and nonmetals are on the right.
Photo by geofones
Elements get more stable moving from left to right across the periodic table. The elements on the far left are very unstable and the noble gases are very stable.
Photo by Henry M. Diaz
