Across
- 3. Bond where two nonmetals share electrons
- 6. Energy required to remove the most loosely bound electron in the valence shell
- 10. The study of the properties and behavior of matter
- 16. Color changing compounds that are added in small amounts of a solution
- 17. Two reactants forming a product
- 19. something that cannot be broken down and is made up of all the same atoms
- 23. Smallest whole number ratio of atoms in a compound
- 26. A compound that contains carbon atoms
- 27. Person who discovered the nucleus of the atom
- 29. To separate particles based on size and polarity
- 32. The measure of the average kinetic energy of particles in matter
- 34. Negative ion
- 36. Single atoms that are not bonded to each other
- 37. Person who originally organized the periodic table
- 38. The measure of the different possible arrangements of atoms
- 39. Person who discovered that all elements are composed of atoms
- 43. The ability to dissolve
- 44. The number of protons in an element
- 45. To separate a mixture of liquids based on boiling point
- 46. Positive ion
- 49. Can act as both an acid and a base
- 50. Bond where electrons are shared between a metal and a nonmetal
- 51. When both the forward and reverse reactions are taking place in a system
- 53. Something that cannot physically be separated
- 55. Loss of electrons by an atom or ion
- 56. Phase change of a gas to a solid
- 57. Phase change of a solid to a gas
- 58. A homogeneous mixture
Down
- 1. The study of the rate or speed at which reactions occur
- 2. All chemical reactions have balance in mass, energy, and change
- 4. Person who discovered that an atom is the smallest piece of a substance
- 5. To separate a solid from a liquid
- 7. Law that states equal volumes of different gases at the same temperature and pressure contain equal numbers of particles
- 8. Size of an atom
- 9. The theory that states that in order for a reaction to occur, reactant particles must collide with the proper amount of energy and proper orientation
- 11. Time required for half of a sample to decay into a new and more stable element
- 12. A charged particle formed when atoms gain or lose electrons
- 13. Actual number of atoms in a compound
- 14. H+ acceptor
- 15. The number of digits in a value that contributes to the degree of accuracy of the value
- 18. When a compound has the same molecular formula but a different structural formula
- 20. Person who discovered electrons
- 21. When the unstable nucleus of an atom breaks into smaller parts over time to become more stable
- 22. The gain of electrons by an atom or ion
- 24. Person who discovered that electrons travel around the nucleus in orbitals
- 25. Arranges elements based on chemical properties
- 28. One reactant breaking down into multiple products
- 29. Two or more atoms chemically combined that have a fixed composition and can be chemically separated
- 30. H+ donor
- 31. Unit that measures the number of particles in a substance
- 32. When a volume of a solution of a known concentration is used to determine the concentration of an unknown solution
- 33. To separate an aqueous solution
- 35. The movement of energy from one object to another (hot to cool)
- 37. Something that has mass or takes up space
- 40. Two or more substances physically combined that may vary in composition
- 41. Bond where two metals share electrons
- 42. Measure of attraction for all electrons
- 47. Elements that have the same atomic number but a different mass
- 48. Ionic solid with water trapped in crystal lattice
- 52. Two of the same type of element bonded to each other
- 54. The sum of protons and neutrons
- 56. D=m/v