Chemistry Review

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Across
  1. 4. A substance formed as a result of a chemical reaction.
  2. 5. ____________ Displacement Reaction: A reaction in which two compounds exchange ions or atoms (AB + CD → AD + CB).
  3. 6. The actual number of atoms of each element in a molecule; a whole-number multiple of the empirical formula.
  4. 10. The electrons in the outermost shell of an atom that participate in chemical bonding.
  5. 11. A reaction in which a complex compound breaks down into simpler substances (AB → A + B).
  6. 13. The system of naming chemical compounds based on their composition and structure.
  7. 15. A compound formed by the electrostatic attraction between positively charged cations and negatively charged anions.
  8. 18. a negatively charged ion
  9. 23. A compound formed by the sharing of electrons between two or more nonmetal atoms.
  10. 24. A chemical equation in which the number of atoms of each element is equal on both sides.
  11. 25. The point in a titration at which the moles of acid equal the moles of base
  12. 26. A diagram representing the valence electrons of an atom as dots around the element's symbol.
  13. 30. The substance in which a solute is dissolved (usually present in larger amount); water is the universal solvent.
  14. 32. The ability of an atom to attract electrons toward itself in a chemical bond.
  15. 33. The concentration of a solution expressed as moles of solute per liter of solution
Down
  1. 1. A reaction in which a substance combines with oxygen, releasing energy as heat and light.
  2. 2. The simplest whole-number ratio of atoms of each element in a compound (type of formula)
  3. 3. A whole number placed in front of a chemical formula to balance an equation
  4. 6. The SI unit of amount of substance; equal to 6.022×10^23 particles (Avogadro's number)
  5. 7. An acid-base reaction between an acid and a base that produces a salt and water.
  6. 8. The mass of one mole of a substance, expressed in grams per mole (g/mol).
  7. 9. The volume occupied by one mole of a gas at standard temperature and pressure (STP); equal to 22.4 L/mol.
  8. 12. a positively charged ion
  9. 14. A substance that participates in and is consumed during a chemical reaction.
  10. 16. A reaction in which two or more simple substances combine to form a more complex compound (A + B → AB).
  11. 17. The maximum amount of solute that can dissolve in a given amount of solvent at a specific temperature.
  12. 19. A compound that produces hydrogen ions (H⁺) when dissolved in water; has a sour taste and turns blue litmus paper red.
  13. 20. The substance that is dissolved in a solution (usually present in smaller amount).
  14. 21. A compound that produces hydroxide ions (OH⁻) when dissolved in water; has a bitter taste and turns red litmus paper blue.
  15. 22. __________ Displacement Reaction: A reaction in which one element replaces another element in a compound (A + BC → AC + B).
  16. 27. A reactant that remains after the limiting reactant is completely consumed.
  17. 28. The process of decreasing the concentration of a solution by adding more solvent
  18. 29. The amount of solute in a given amount of solvent or solution.
  19. 31. The reactant that is completely consumed first in a chemical reaction, determining the maximum amount of product that can be formed.