Introducing The Periodic Table

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Across
  1. 3. Pure substance made of only one type of atom
  2. 6. Elements that have properties of both metals and nonmetals, often used in electronics as semiconductors.
  3. 7. Chart that organizes all the chemical elements
  4. 9. We compared the periodic table to this place.
  5. 10. Unique to each element made up of one or two letters
  6. 12. The following elements all react explosively with water.
  7. 14. Elements are poisonous and explode when combined with other elements.
  8. 15. Vertical column on the periodic table, elements in the same group have similar chemical properties.
Down
  1. 1. Elements that do not react when combined with other elements
  2. 2. Elements that are shiny, good conductors of heat and electricty and can be shaped or stretched.
  3. 4. Horizontal row on the periodic table, elements in the same period have the same number of electron shells
  4. 5. It’s usually shown as a decimal.
  5. 8. Elements that are dull, poor conductors of heat and electricty and brittle when solid.
  6. 11. Tells the number of protons in an atom
  7. 13. Elements that are less reactive than the Alkali metals but more reactive than other metals.