(7) Unit 2 CW 1

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