Elements & Periodic Table Vocabulary Test

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Across
  1. 1. Positively charged particle in the nucleus of an atom
  2. 2. The gradual wearing away of a metal element due to a chemical reaction
  3. 5. A family of very reactive elements whose atoms gain or share one electron
  4. 6. An element that has some characteristics of both metals and nonmetals
  5. 7. The ability of a material to be pulled out into a long wire
  6. 10. A material that conducts electricity under certain conditions
  7. 12. The number of protons in an atom
  8. 14. An element in Group 2 of the periodic table
  9. 15. The ability of a material to be pounded into shapes
  10. 18. A formula that gives the elements in a compound and the ratio of atoms.
  11. 21. Particle in the nucleus of an atom with no charge
  12. 22. The ability of an object to transfer heat or electricity
  13. 23. A class of elements characterized by physical properties that include shininess, malleability, ductility and conductivity
  14. 24. The mass of an atom which is the sum of the protons and neutrons
Down
  1. 1. A chart of the elements showing the repeating pattern of their properties
  2. 2. A one or two letter abbreviation of an element found on the periodic table
  3. 3. One of the elements in Groups 3 through 12 of the periodic table
  4. 4. Negatively charged particle circling the nucleus of an atom
  5. 8. The ease and speed with which an element combines or reacts with other elements
  6. 9. A row of elements on the periodic table (7 total)
  7. 11. A family of un-reative elements whose atoms do not gain, lose, or share electrons
  8. 13. A molecule consisting of two atoms
  9. 16. An atom with the same number of protons and a different number of neutrons
  10. 17. A column of elements on the periodic table (18 total)
  11. 19. An element in Group 1 of the periodic table
  12. 20. A type of element whose physical properties are opposite of metals