Chapter2 Crossword 2

1234567891011121314151617181920
Across
  1. 1. the minor component in a solution, dissolved in the solvent
  2. 3. is a pure chemical substance consisting of a single type of atom distinguished by its atomic number
  3. 4. a good idea of something
  4. 5. any energy that can move freely
  5. 8. is a chemical bond that involves the sharing of electron pairs between atoms
  6. 9. is a chemical reaction in which the standard change in free energy is positive, and energy is absorbed
  7. 15. commonly refers to either the present condition of a system or entity
  8. 17. the number of protons found in the nucleus of an atom of that element
  9. 19. is an electrically neutral group of two or more atoms held together bychemical bonds.
  10. 20. is the positively charged polyatomic ion with the chemical formula H 3O+
Down
  1. 1. is a substance that dissolves a solute
  2. 2. include all chemical reactions in which atoms have their oxidation state changed
  3. 6. having a pH greater than 7
  4. 7. is an atom or molecule in which the total number of electrons is not equal to the total number of protons, giving the atom a net positive or negative electrical charge.
  5. 8. focusing on something
  6. 10. is a process that leads to the transformation of one set of chemical substances to another.
  7. 11. the minimum energy that must be input to a chemical system
  8. 12. is a property of a physical body which determines the body's resistance
  9. 13. is a measure of the acidity or basicity of an aqueous solution
  10. 14. a dense organelle present in most eukaryotic cells, typically a single rounded structure bounded by a double membrane
  11. 16. are responsible for thousands of metabolic processes that sustain life
  12. 18. slippery to the touch