Chemistry Crossword Puzzle

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Across
  1. 2. When 2 non-metals combine to make a pure substance
  2. 8. The most stable and unreactive elements
  3. 9. The mass of an one atom in a element
  4. 10. Groups of atoms acting as one
  5. 11. A neutral particle in the nucleus of an atom
  6. 12. A column of elements on the Periodic Table
  7. 14. NaCl
  8. 19. A column of elements in the periodic table
  9. 21. A very valuable element usually used for jewelry
  10. 22. The number of protons and electrons in the nucleus of on atom of an element.
  11. 24. The most reactive non-metals
Down
  1. 1. Shiny,malleable, ductile element that conducts electricity
  2. 3. Combination of symbols that represent a compound.Identifies the elements and the amount of each.
  3. 4. Pure substance formed when at least on metal and one non-metal combvines
  4. 5. A row of elements on the Periodic Table
  5. 6. Element that has both metallic and non-metallic properties
  6. 7. Anything that has mass and occupies space
  7. 13. A table in which the elements are organized by their physical and chemical properties
  8. 15. Atom that has become electrically charged because it has lost or gained electrons.
  9. 16. Has 1 proton, 1 electron and an atomic mass of 1
  10. 17. The most reactive of the metals
  11. 18. A negatively charged particle that orbits the nucleus of an atom
  12. 20. When a metal and non-metal combine to make a pure substance
  13. 23. A positive particle in the nucleus of an atom
  14. 25. The smallest part of an element with a nucleus containing protons and neutrons
  15. 26. Dull,brittle element that does not conduct electricity