Unit 7: Lesson 3- vocab

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Across
  1. 6. FILL IN DEFINITION
  2. 8. an arrangement of the elements in order of their atomic numbers such that elements with similar properties fall into the same column, or group.
  3. 11. a one-, two-, or three-letter abbreviation of the name of an element
  4. 14. in chemistry, a horizontal row of elements in the periodic table.
  5. 15. DEFINITION 1
Down
  1. 1. an element that conducts heat and electricity poorly
  2. 2. DEFINITION 3
  3. 3. the weighted average of the masses of all naturally occurring isotopes of an element.
  4. 4. DEFINITION 4
  5. 5. an element that is shiny and that conducts heat and electricity well.
  6. 7. an element that has properties of both metals and nonmetals.
  7. 9. DEFINITION 2
  8. 10. point DEFINITION 6
  9. 12. point DEFINITION 5
  10. 13. a vertical column of elements in the periodic table; elements in a group share chemical properties.