Chemistry Chap 3 - Atoms Combining

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Across
  1. 7. A change that produces new substances with different properties. (2 words)
  2. 9. A change that affects only the form or appearance of a substance, not its composition. (2 words)
  3. 11. A combination of two or more substances where each keeps its properties.
  4. 12. The smallest charged particle of an element or compound with chemical properties.
  5. 13. A type of chemical bond involving three pairs of shared electrons.
  6. 14. A bond formed by the electrostatic attraction between oppositely charged ions. (2 words)
Down
  1. 1. The ability of a substance to evaporate easily.
  2. 2. A group of atoms bonded together representing the smallest fundamental unit of a chemical compound.
  3. 3. A representation of a chemical compound using element symbols and numbers.
  4. 4. A type of chemical bond found in metals, where electrons are shared among many atoms. (2 words)
  5. 5. A repeating arrangement of ions or atoms in a solid structure.
  6. 6. A type of bond formed by the sharing of electrons. (2 words)
  7. 8. forces Strong forces that act between molecules. (2 words)
  8. 10. The term for different structural forms of the same element.
  9. 15. bond A bond formed by the sharing of two pairs of electrons.