7S Chapter 8 Vocabulary

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Across
  1. 4. A tiny, negatively charged particle that moves around the outside of the nucleus of an atom
  2. 5. A term used to describe a material that can be pulled in to a long wire
  3. 8. An element in Group 2 of the periodic table
  4. 9. The ability of an object to transfer heat
  5. 10. An element in Group 18 of the periodic table
  6. 14. One of the elements in Groups 3-12 of the periodic table
  7. 19. An element that lacks most of the properties of a metal
  8. 20. An element that has some characteristics of both metals and nonmetals
  9. 21. A small particle in the nucleus of an atom with no electrical charge
  10. 22. A one or two-letter representation of an element
  11. 23. The way a mineral reflects light from its surface
  12. 24. Elements in the same vertical column of the periodic table; also called a family
Down
  1. 1. Small, positively charged particles that are found in the nucleus of an atom
  2. 2. The ease and speed with which an element combines, or reacts, with other elements and compounds
  3. 3. A class of elements characterized by physical properties that include shininess, malleability, ductility, and conductivity
  4. 4. The ability of an object to carry an electric current
  5. 6. A term used to describe a material that can be hammered or rolled into flat sheets
  6. 7. An element found in Group 17 of the periodic table
  7. 11. A horizontal row of elements in the periodic table
  8. 12. A substance that can conduct electric current under some conditions
  9. 13. The number of protons in the nucleus of an atom
  10. 15. The central core of an atom which contains protons and neutrons
  11. 16. The average mass of all the isotopes of an element
  12. 17. An element in Group 1 of the periodic table
  13. 18. An arrangement of the elements showing the repeating pattern of their properties