Across
- 6. when an atom gains or loses an electrons and changes the radii
- 7. composition is the same throughout the sample
- 13. reduction cathode, anode oxidation
- 17. the temp at which a substance will change from a liquid to gas
- 19. single compound is broken down to two or more products
- 21. substance being dissolved
- 23. this is the energy that is stored in a substance, and could be released/used but isn't yet.
- 26. liquid to solid
- 28. same protons but different number of neutrons
- 33. rates are equal, concentrations are constant
- 34. definite volume and shape
- 35. gasses/network solids, brittle, high ionization and electronegativites, bad electric and heat conductors, and ions have large radii
- 38. ions of halogens
- 39. attractive forces between the positive end of one polar molecule and the negative end of another polar molecule
- 42. creates a bond and releases heat
- 43. use when melting/freezing
- 44. a bond between a nonmetal and a metal/metalloid and has a difference of 1.7-4.0
- 46. solids dissolved in a liquid that are separated by their boiling point
- 47. a gentle sheen or soft glow, especially that of a partially reflective surface.
- 48. diagnoses cancer
- 50. the cathode is positive and the anode is negative (spontaneous and chemical to electrical)
- 52. Celsius or Kelvin (C or K)
- 53. able to be hammered or pressed permanently out of shape without breaking or cracking.
- 55. are combinations of two or more pure substances that can be separated by physical means
- 59. separating a mixture using two different thing (ink being separated with paper and water)
- 60. a material or device that conducts or transmits heat, electricity, or sound, especially when regarded in terms of its capacity to do this.
- 62. negative particle that is located around the nucleus
- 64. how fast or slow a reaction will occur
- 66. no shape or volume
- 68. when uranium nuclei split apart
- 69. the distance between the nuclei of two adjacent atoms (more electron shells means this is larger)
- 70. a substance that doesn't like to keep its liquid form and separates it molecules quickly
- 71. identify of an element
- 72. a positive particle located in the nucleus
- 73. an electron goes to a higher orbital before filling a lower one
- 74. responsible for the gold foil experiment
- 75. first person to identify basic unit of matter was an “atom:
- 78. something that is smaller than an atom
- 80. acids react with bases and forms water and salt
- 81. The substance the solute is being dissolved in
- 83. this is the energy actively being used. It is a measurement of the molecules moving around. It's basically the same thing as temperature.
- 85. donate H+ ions (remember: two AAs dont go together)
- 86. when electrons are shared equally between the two atoms and has a electronegativity difference of 0.4 or less
- 88. Changing from solid directly to gas
- 91. used when boiling/condensation
- 92. loss of electrons (causes charge to go up)
- 95. more solute can still be dissolved
- 96. used when separating undissolved solids in a liquid
- 97. Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, Fluorine
- 98. when nuclei come together
- 101. solid at room temp, density greater than water, conduct heat and electricity, low ionization and electronegativity, ions have small radii
- 102. holds more solute than the saturation point
- 103. able to be drawn out into a thin wire.
- 104. when a material has uniform composition throughout
Down
- 1. definite volume, but no shape
- 2. exactly 7 pH
- 3. the center of an atom that is a dense core and made of protons and neutrons
- 4. between 7 and 14 on the pH scale
- 5. breaking a bond and inhales heat
- 8. maximum amount of solute has been dissolved for that temperature
- 9. the number of protons an element has
- 10. mass number-atomic number= ?
- 11. the amount of disorder (randomness or chaos) particles are displaying
- 12. the amount of energy required to remove it’s most loosely bound electron
- 14. are composed of two or more elements that are chemically combined in definite proportions by mass
- 15. Two elements in two different compounds switch places, and form two new products
- 16. (symmetrical, nonpolar, asymmetrical, polar)
- 17. change from liquid to gas
- 18. protons+neutrons= ?
- 20. materials that are made up of parts with different chemical and physical properties
- 22. when two or more reactants combine to form a single product
- 24. elements that exist as a element bonded to another atom of itself
- 25. all electrons are filling the lowest orbital level
- 27. oxidation is loss and reduction is gain
- 29. process that releases energy when they occur. The energy is usually released to its surroundings, so the energy is a product
- 30. When one element in a compound is replaced by another element
- 31. the temp at which a substance will change from a solid to a liquid
- 32. high temperature and low pressure
- 36. the amount of energy contained within particles
- 37. mixing an acid and a base/ metal and nonmetal/ acid and a metal
- 40. the anode is positive and the cathode is negative (electrical to chemical)
- 41. Change from solid to liquid
- 45. lowers activation energy and makes an easier pathway for a reaction
- 49. can be homogeneous or heterogeneous
- 51. used for carbon date fossil stuff
- 54. electrons that have more energy
- 56. gas to liquid
- 57. accepts H+ ions
- 58. the measure of hydrogen ion concentration
- 59. treats cancer
- 61. when electrons are shared unequally (0.4-1.6 difference)
- 62. This is the amount of attraction an atom has for electrons. Attraction for electrons is otherwise known as “affinity”
- 63. a neutral particle located in the nucleus
- 65. a small particle formed by covalent bonds
- 67. electrons that have less energy
- 76. home of an electron
- 77. results were that most of the atoms were positively charged, spread out equally, with the occasional electron
- 79. has a difference of 0-1.6 and is usually two nonmetals
- 82. is a homogeneous mixture
- 84. are substances that can not be broken down or decomposed into simpler substances by chemical memes
- 87. between 0 and 7 on the pH scale
- 89. process that requires energy in order to occur. It means energy has been absorbed, so energy would be a reactant
- 90. gaining electrons (causes charge to go down)
- 93. gas directly to solid
- 94. Atmospheres, Kilopascals, millimeters of mercury, torr (atm, kPa, mmHg, torr)
- 99. used for geologic dating
- 100. Liters or Milliliters (L or mL)