Chapter 5 Vocabulary

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Across
  1. 2. chromium, iron, and nickel
  2. 5. states that when elements are listed in order of their atomic numbers fall into recurring groups
  3. 7. the electrons in an atom's outermost electron shell
  4. 9. a chemical element that forms a salt when it reacts with metal
  5. 10. an element that has properties that are intermediate between those of metals and nonmetals
  6. 12. A gaseous chemical element that does not readily enter into chemical combination with other elements
  7. 13. any of the elements found in Group IA of the periodic table
Down
  1. 1. all elements are found here
  2. 3. opaque, lustrous elements that are good conductors of heat and electricity
  3. 4. beryllium, magnesium, calcium, strontium, barium, and radium
  4. 6. a column in the periodic table of the chemical elements
  5. 8. an element or substance that is not a metal
  6. 11. the horizontal rows of the periodic table
  7. 13. a unit for expressing masses of atoms, molecules, or subatomic particles