Activate 2 The Periodic Table

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Across
  1. 4. A term used to describe an element like helium that does not easily chemically bond with other elements (Starts with U, 10 letters)
  2. 9. The master table that organizes all known elements by their chemical properties and atomic structure (Starts with P, 8 letters)
  3. 13. A vertical column in the periodic table containing elements with similar chemical properties (Starts with G, 5 letters)
  4. 14. The smallest building block of matter that makes up every element (Starts with A, 4 letters)
  5. 15. A scientific word for shiny which is a common physical property of most metals (Starts with L, 8 letters)
  6. 16. A gradual pattern or change in properties that you can see as you move down a group or across a period (Starts with T, 5 letters)
  7. 18. A property of metals that allows them to be hammered or rolled into thin sheets without shattering (Starts with M, 9 letters)
  8. 20. The highly reactive elements found in group one of the periodic table like lithium and sodium (Starts with A, 11 letters)
Down
  1. 1. A property of matter describing how tightly packed the mass is within a specific volume (Starts with D, 7 letters)
  2. 2. A statement about what will happen in a chemical trend based on known evidence or patterns (Starts with P, 10 letters)
  3. 3. A property of metals that allows them to be drawn or pulled into long thin wires (Starts with D, 7 letters)
  4. 5. A reaction where a more reactive element takes the place of a less reactive element in a compound (Starts with D, 12 letters)
  5. 6. The large group of elements found on the left side of the periodic table that are shiny and conduct electricity (Starts with M, 6 letters)
  6. 7. The group of elements found on the upper right side of the periodic table that are typically dull and poor conductors (Starts with N, 9 letters)
  7. 8. A measure of how easily or quickly an element undergoes a chemical reaction with other substances (Starts with R, 10 letters)
  8. 10. A property of most solid nonmetals that causes them to break or shatter easily when hit (Starts with B, 7 letters)
  9. 11. The extremely unreactive and stable nonmetal gases found in group zero of the periodic table like helium and neon (Starts with N, 10 letters)
  10. 12. The highly reactive nonmetal elements found in group seven of the periodic table like fluorine and chlorine (Starts with H, 8 letters)
  11. 17. A horizontal row in the periodic table that shows the trends in element properties across it (Starts with P, 6 letters)
  12. 19. A pure substance made of only one type of atom that cannot be broken down into anything simpler (Starts with E, 7 letters)