Unit B Crossword

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Across
  1. 3. shiny,malleable,ductile element that conducts electricity
  2. 6. amount of mass in a given volume of a substance
  3. 7. change of state from a solid to a liquid
  4. 8. cloudy mixture in which tiny particles of one substance are held within another and particles cannot be separated out from the other substance
  5. 11. description of a substance that can be pounded or rolled into sheets
  6. 13. ability of a substance to conduct electricity or heat
  7. 16. chemical reaction that occurs when oxygen reacts with a substance to form a new substance and give off energy
  8. 17. vertical columns of elements in the periodic table
  9. 19. neutral particle in the nucleus of an atom
  10. 20. change of state from a gas to a solid
  11. 21. vertical column of elements in the periodic table;also called a family
  12. 22. change of state from a liquid to a solid
Down
  1. 1. the smallest part of an element that is representative of that element
  2. 2. anything that has mass and occupies space
  3. 4. substance that helps a chemical reaction to proceed more quickly
  4. 5. group 17 in the periodic table;the most reactive non-metals
  5. 6. description of a solid that can be stretched into a long wire
  6. 9. atom that became electrically charged because it lost or gained electrons
  7. 10. change of state from a gas to a liquid
  8. 11. element that has both metallic and non-metallic properties
  9. 12. change of state from a liquid to a gas
  10. 14. chemical combination of two or more elements in a specific ratio
  11. 15. catalyst involved in chemical reactions in living things
  12. 16. slow chemical change that occurs when oxygen in the air reacts with a metal
  13. 18. pure substance that cannot be broken down into other substances;substance made up of only one type of atom