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The Periodic Table

The Periodic Table. A Tool. 18 jagged Columns 7 Horizontal rows & a Landing Strip in Front!. Each box is a brick. The Bricks are NOT interchangeable Entire “Castle” will fall if any brick is deemed out of place. Metal vs. Nonmetal Split. 75% are metals Cold, gray solids

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The Periodic Table

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  1. The Periodic Table A Tool

  2. 18 jagged Columns7 Horizontal rows& a Landing Strip in Front!

  3. Each box is a brick The Bricks are NOT interchangeable Entire “Castle” will fall if any brick is deemed out of place.

  4. Metal vs. Nonmetal Split • 75% are metals • Cold, gray solids • Other 20% are nonmetals • Somewhere in the middle lies “amorphous” elements – metalloids- with properties of both.

  5. Democritus vs. Plato Famous for creating the idea of the atom  “Atomos” meaning indivisible. Famous for minting the word “element”  for small particles Of matter that are “PURE”

  6. Plato would have loved the Noble Gases! Found on the far right side of the Periodic Table. Helium, never reacts and never changes By Chemical means. None of the Noble Gases were Discovered until 1895. (The first Periodic Table was created in 1869.) Helium was not discovered until 1910.

  7. Reactivity – All about the Electrons

  8. Halogens – Have 7 electrons, WANT ONE MORE Alkali Metals – Have 1 electron, WANT TO GET RID OF IT! The Most Reactive Elements!

  9. The Great Plains – The Transition Metals Transition Metals like to “bury” their electrons, so their reactivity is much Harder to predict. They are also very similar in behavior, and that is why they are all grouped Together.

  10. Lanthanides and Actinides Also known as Inner Transition Metals Also known as Rare Earth Metals Bury their electrons even farther Almost impossible to separate by Chemical means, because the elements Are so similar. Most are man-made on earth.

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