Concept 2

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Across
  1. 2. has an affinity for water; water loving
  2. 5. the smallest part of an element that still has the properties of that element
  3. 6. uniform mixture of 2 or more substances
  4. 7. 2 or more atoms covalently bonded together
  5. 9. does the dissolving
  6. 10. the tension of the surface film of a liquid caused by the attraction of the particles in the surface layer by the bulk of the liquid, which tends to minimize surface area.
  7. 12. 2 or more forms of the same element with different numbers of neutrons
  8. 13. doesn't have an affinity for water; water fearing
Down
  1. 1. electrons in the outermost energy level
  2. 3. what is being dissolved
  3. 4. forms when an atom gains an electron, it becomes more negatively charged
  4. 7. anything that has mass and occupies space
  5. 8. forms when an atom loses an electron; a positive ion
  6. 11. 2 or more atoms of different elements bonded
  7. 14. most basic unit of life