Chapter 2 Crossword

1234567891011121314151617181920
Across
  1. 2. Having a relatively low concentration of hydrogen ions or having a pH greater than 7
  2. 4. In an atom, the core of protons and neutrons; in a eukaryotic cell, the organelle that contains most of the DNA and directs most of the cell's activities
  3. 9. A chemical structure composed of one or more atoms
  4. 13. Amount of energy required for a chemical reaction to start and to continue on its own
  5. 14. The volume and shape of a substance which is determined by the rate at which the atoms or molecules of the substance move
  6. 16. The process of breaking chemical bonds, forming new bonds, or both
  7. 20. A fundamental property of an object generally regarded as equivalent to the amount of matter in the object
Down
  1. 1. Any substance that increases the concentration of hydroxide ions when added to a water solution
  2. 3. A reaction that involves a net absorption of free energy
  3. 5. A numeric range that quantifies the relative concentrations of hydronium ions and hydroxide ions in a solution
  4. 6. A measurement of the amount of solute dissolved in a fixed amount of solvent
  5. 7. A bond that forms when two atoms share one or more pairs of electrons
  6. 8. A reduction-oxidation reaction in which electrons are transferred between atoms
  7. 10. A catalyst, usually a protein, in living systems
  8. 11. The energy in a system available for work
  9. 12. An ion consisting of a protonated water molecule and present in all aqueous acids
  10. 15. A compound formed by a chemical reaction
  11. 17. A substance that ordinarily cannot be broken down chemically to form simpler kinds of matter
  12. 18. An atom or a compound with a net electrical charge
  13. 19. The number of protons in an atom