Periodic Table
Published on Nov 20, 2015
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PRESENTATION OUTLINE
PACKET 9
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Chemistry must include familiarity with the actual properties of chemical substances, as well as the laws that govern chemistry.
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Each element has it's own characteristics set of properties that help to distinguish it from other elements.
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Mendeleev created a table of elements that increased by atomic weight known as the periodic table.
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Mendeleev left blank spaces for elements that had not been discovered.
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Horizontal = Period
Vertical = Column
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Rules:
1) elements are arranged by increasing atomic mass from left to right and each horizontal row
2) elements in each vertical column all form compounds with similar chemical formulas
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