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