Across
- 3. positively-charged atomic particle
- 4. the number of protons in an atom
- 5. type of reaction in which one reactant becomes two or more products
- 6. the results of a chemical reaction
- 9. a homogeneous mixture in which one substance is dissolved
- 11. if a reaction absorbs heat, it is ______
- 18. type of equation which shows only the ions which participate in the reaction
- 20. the affinity of an atom for electrons
- 22. the movement of gas particles through a small hole
- 23. type of electron in the outermost energy level
- 24. the reagent that determines the yield of products
- 26. the calculation of quantities in chemical reactions
- 29. atom with a positive charge
Down
- 1. when the forward and reverse reactions rates are equal
- 2. the energy required for a chemical reaction to happen
- 7. a mixture with large particles that do not dissolve
- 8. a substance that changes color in the presence of an acid or base
- 10. type of bond in which electrons are shared
- 12. a quantity equal to Avogadro's number
- 13. atoms with different numbers of neutrons
- 14. a measure of the amount of solute dissolved in a solvent
- 15. when a solution contains the maximum amount of solute, it is _____
- 16. the type of acid that is a proton donor
- 17. a row across the periodic table
- 19. substance that speeds up a chemical reaction
- 20. the heat flow of a system at constant pressure
- 21. the simplest type of any substance
- 25. turning a liquid into a gas through evaporation
- 27. region of space where an electron is most likely found
- 28. element in group 7A on the periodic table