Chemistry Crossword Puzzle

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