Periodic Table

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Across
  1. 3. elements with properties that fall between those of metal and nonmetal.
  2. 6. elements that are poor conductors of heat and electric currents.
  3. 8. elements that form a bridge between elements on the left and right sides of the periodic table.
  4. 11. the principle that the physical and chemical properties of elements are periodic functions of their atomic numbers
  5. 12. an arrangement of elements in columns based on properties that repeat from row to row.
Down
  1. 1. smallest unit of matter.
  2. 2. the pattern of repeating properties displayed by elements in the periodic table.
  3. 4. a characteristic of a material.
  4. 5. a horizontal row of elements in the periodic table
  5. 7. a vertical column in the periodic table containing elements with similar properties
  6. 9. elements that are typically shiny, malleable, and ductile, and are excellent conductors of heat and electricity due to the free movement of their electrons
  7. 10. pure substance made by one type of atom.