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The Periodic Table

Learn about Dmitri Mendeleev, the Russian scientist who discovered patterns for elements and arranged them in order of atomic mass. Explore the atomic structure and properties of elements, including metals, non-metals, and metalloids. Discover the three types of elements found on the Periodic Table and delve into the structure of the atom.

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The Periodic Table

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  1. The Periodic Table Dmitri Mendeleev’s Work

  2. Structure of Matter • Standard8.2: Elements have distinct macroscopic properties and atomic structures. Indicator:8.2.3:Using a periodic chart, explain that the atoms of an element are similar to each other, but they are different from atoms of other elements.

  3. Dmitri Mendeleev - Russian Scientist • Discovered a set of patterns for elements • Arranged elements in order of atomic mass • Published first periodic table in 1869

  4. Atomic number Chemical symbol Atomic mass Chemical name Groups Periods Data About Elements

  5. Solid at room temperature Malleable Shiny Two types: alkali and alkaline Conductor of heat Conductor of electricity Metals

  6. Non-Metals • Gases at room temperature Ex: halogens and noble gases • Solids have dull surfaces and cannot be shaped • Poor conductors of heat and electric current

  7. Metalloids • Have properties of both metals and non-metals • Make up semi-conductors in electronic devices Ex. Boron

  8. Review • Name the three types of elements found on the Period Table. • Who is the creator of the Periodic Table? • Describe the structure of the atom?

  9. Links • www.chem4kids.com • www.classzone.com • www.brainpop.com

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