Periodic Table
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Periodic Table. Periodic- Repeated in a patternElements are ordered by: increasing atomic number changes in physical
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Periodic Table
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1. Periodic Table Section 18.3
2. Periodic Table Periodic- Repeated in a pattern
Elements are ordered by:
increasing atomic number
changes in physical & chemical properties
Mendeleev- Ordered elements by atomic mass
Left blank places in his table to line up elements according to their properties
Elements were later discovered and fit into the places he left blank
3. Mendeleev
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