Quarter 3 Chemistry Vocabulary

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Across
  1. 7. A state of matter with a definite shape and volume
  2. 8. The temperature and pressure at which solid, liquid, and gas phases coexist in equilibrium
  3. 10. The number of representative particles in one mole (6.022 × 10²³)
  4. 11. A state of matter with a definite volume but no fixed shape
  5. 14. A solution where water is the solvent
  6. 17. Standard Temperature and Pressure (0°C and 1 atm)
  7. 19. A reaction where a substance reacts with oxygen, often producing heat and light
  8. 21. The reactant that is completely consumed in a reaction, limiting the amount of product formed
  9. 23. The ratio of moles of reactants and products in a balanced equation
  10. 24. The boiling point of a liquid at 1 atmosphere of pressure
  11. 25. The smallest unit of a substance, such as atoms, molecules, or formula units
  12. 27. The pressure exerted by a vapor in equilibrium with its liquid or solid phase
  13. 28. A reaction where two compounds exchange positive ions to form two new compounds
  14. 30. A unit that measures the amount of substance, containing Avogadro’s number of particles
  15. 31. A solid without a defined crystalline structure
  16. 33. The process where a solid changes directly to a gas without becoming a liquid
  17. 34. A representation of a chemical reaction using symbols and formulas
Down
  1. 1. A number placed in front of a formula in a chemical equation to balance it
  2. 2. A graph showing the conditions of temperature and pressure where different states of matter exist
  3. 3. A reaction where a single compound breaks down into two or more simpler substances
  4. 4. A chemical equation where the number of atoms of each element is the same on both sides
  5. 5. The temperature at which a solid becomes a liquid
  6. 6. A reaction where one element replaces another in a compound
  7. 9. The temperature at which a liquid turns into a gas
  8. 12. The percent by mass of each element in a compound
  9. 13. A reaction where two or more substances combine to form a single product
  10. 15. A chemical equation that does not indicate the relative amounts of reactants and products
  11. 16. The calculation of reactants and products in a chemical reaction
  12. 18. The energy of motion
  13. 20. The volume occupied by one mole of gas at STP (22.4 L)
  14. 22. A state of matter with no definite shape or volume
  15. 26. The temperature and pressure at which the liquid and gas phases become indistinguishable
  16. 28. The process where a gas changes directly into a solid without becoming a liquid
  17. 29. The simplest whole-number ratio of elements in a compound
  18. 32. The mass of one mole of a substance, expressed in grams per mole