Chemistry crossword 1

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Across
  1. 1. A Group 2 metal that reacts more vigorously with water than magnesium
  2. 4. A reaction involving simultaneous oxidation and reduction
  3. 9. The number of bonds formed between ligands and a central metal ion
  4. 11. Uneven distribution of charge within a bond or molecule
  5. 13. The heat energy change at constant pressure
  6. 16. The ability of an atom to attract a bonding pair of electrons
  7. 18. Gain of electrons
  8. 19. A technique used to determine the concentration of a solution
  9. 21. The energy required to remove one mole of electrons from one mole of gaseous atoms
Down
  1. 2. A regular repeating arrangement of ions in a solid
  2. 3. The principle predicting how a system at equilibrium responds to change
  3. 5. A compound formed from a central metal ion and surrounding ligands
  4. 6. The minimum energy required for a reaction to occur
  5. 7. The calculation of reacting quantities using balanced equations
  6. 8. A soluble base that produces OH⁻ ions in solution
  7. 10. Describes electrons that are spread over several atoms
  8. 12. A species that donates a lone pair to a central metal ion
  9. 14. A Group 7 element that forms -1 ions
  10. 15. A Group 2 metal that reacts slowly with cold water
  11. 17. The state in a reversible reaction where forward and reverse rates are equal
  12. 20. A measure of disorder or randomness in a system
  13. 22. Loss of electrons