Phys Sci Crossword 2

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Across
  1. 5. substances consumed in the course of a chemical reaction.
  2. 6. an organic chemical compound composed exclusively of hydrogen and carbon atoms.
  3. 14. The process of conversion of a chemical substance into a solid from a solution by converting the substance into an insoluble form or a super-saturated solution
  4. 15. a chemical breakdown
  5. 16. burning
  6. 17. this is affected by both the atomic number and the distance at which its valence electrons reside from the charged nucleus.
  7. 19. A chemical bond is a lasting attraction between atoms, ions or molecules
Down
  1. 1. any of a material's properties that becomes evident in a chemical reaction
  2. 2. is a process leading to the transformation of one set of substances to another
  3. 3. a pure substance that cannot be broken down into simpler substances by chemical means.
  4. 4. is the smallest unit of ordinary matter that forms a chemical element.
  5. 7. defined by the electron configuration of the system, and by the quantum numbers of each electron contributing to that configuration.
  6. 8. A salt metathesis reaction
  7. 9. are specific patterns in the properties of chemical elements that are revealed in the periodic table of elements.
  8. 10. chemical synthesis is the execution of chemical reactions to form a more complex molecule from chemical precursors
  9. 11. both a property of a physical body and a measure of its resistance to acceleration when a net force is applied.
  10. 12. the atomic nucleus is the small, dense region consisting of protons and neutrons at the center of an atom.
  11. 13. A measure of how much solute can dissolve in a given solvent at a given temperature
  12. 14. a subatomic particle with a positive electric charge
  13. 18. is the symbolic representation of a chemical reaction in the form of symbols