Unit 2 CW 2

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Across
  1. 2. the ability for metal to be hammered, pressed or rolled into thin sheets
  2. 5. Elements arranged in vertical columns of the periodic table that share the same properties.
  3. 6. the basic particle from which all elements are made
  4. 11. The average mass of the nucleus of that element.
  5. 13. A subatomic particle with no charge located at the center of an atom.
  6. 15. A positively charged subatomic particle located at the center of an atom.
  7. 17. a group of two or more atoms held together by chemical bonds
  8. 18. substances that can conduct electric currents under some conditions but not under other conditions
  9. 19. the amount of mass a material has in a given volume
  10. 20. An abbreviation for the name of an element on the periodic table.
  11. 22. the shine of a metal
  12. 23. Characteristics of elements that help to identify what they are.
  13. 24. has indefinite shape but definite volume
  14. 27. Repeating rows of the periodic table that demonstrate patterns of how elements are arranged.
  15. 28. scientist that discovered a set of patterns that applied to all elements
  16. 29. the ability of an object to transfer heat
  17. 30. force between atoms or groups of atoms
Down
  1. 1. the ability of an object to carry electric currents
  2. 3. located in the outermost shell of an atom
  3. 4. The number of protons in the nucleus of each element.
  4. 7. an element that lacks most of the properties of a metal
  5. 8. amount of matter in an object
  6. 9. has indefinite shape and indefinite volume
  7. 10. A subatomic particle of an atom that is negatively charged and orbits the nucleus extremely fast.
  8. 12. the ability for metal to be drawn into wires
  9. 14. a pure substance that cannot be broken down into any other substance by chemical or physical means
  10. 16. anything that has mass and takes up space
  11. 17. Elements that are good conductors of electricity and thermal energy and are often solid at room temperature.
  12. 18. matter with a composition that is always the same
  13. 21. has a definite shape and definite volume
  14. 25. elements that have some properties of metals and some properties of nonmetals
  15. 26. someone who studies chemistry