Chemistry

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Across
  1. 5. a consists of highly charged particles with extremely high kinetic energy
  2. 6. mass, mass in grams of 1 mole of a substance
  3. 8. substance is the ratio of the mass of a sample of the substance to its volume.
  4. 10. property, a characteristic of matter that is not associated with a change in its chemical composition
  5. 12. force exerted per unit area
  6. 16. units, measurement units for seven fundamental properties (“base units”)
  7. 17. branch of science that explores the chemical processes within and related to living organisms
  8. 20. formed when an atom loses one or more electrons.
  9. 22. transfer of gaseous atoms or molecules from a container to a vacuum through very small openings
  10. 23. a small relatively heavy, positively charged body
  11. 24. known as homogeneous mixture
  12. 25. the nuclei of other elements contain the hydrogen nucleus as a “building block,”
  13. 31. solution component present in a concentration that is higher relative to other components
  14. 34. particles are packed tightly together so they don't move much, have a definite shape, as well as mass and volume, and do not conform to the shape of the container in which they are placed
  15. 35. change from a gaseous state directly to a solid state
  16. 38. an element could have types of atoms with different masses that were chemically indistinguishable
  17. 39. pure substances that can be broken down by chemical change
  18. 40. focuses on carbon containing compounds
  19. 41. is the smallest particle of an element that has the properties of that element and can enter into a chemical combination.
  20. 43. refers to the force that gravity exerts on an object
  21. 44. consists of two or more atoms joined by strong forces called chemical bonds
Down
  1. 1. ionic compounds that contain water molecules as integral components of their crystals
  2. 2. the particles are more loosely packed than in a solid and are able to flow around each other, giving the liquid an indefinite shape
  3. 3. pure substances that cannot be broken down into simple substances by chemical change
  4. 4. measure of the amount of matter in it
  5. 6. element that is shiny, malleable, good conductor of heat and electricity
  6. 7. digits, all of the digits in a measurement, including the uncertain last digit
  7. 9. the science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes.
  8. 11. measure of the amount of space occupied by an object.
  9. 12. study of how matter behaves on a molecular and atomic level and how chemical reactions occur
  10. 13. polyatomic ions that contain one or more oxygen atoms
  11. 14. property, change of one type of matter into another type (or the inability to change)
  12. 15. composed of two or more types of matter that can be present in varying amounts and can be separated by physical changes, such as evaporation
  13. 16. an abbreviation that we use to indicate an element or an atom of an element.
  14. 18. compounds with the same chemical formula but different molecular structures
  15. 19. qualitative term for a solution containing solute at a relatively low concentration
  16. 21. focuses on compounds that do not contain carbon
  17. 26. the particles have a great deal of space between them and have high kinetic energy
  18. 27. an atom that gains one or more electrons will exhibit a negative charge
  19. 28. quantity having magnitude and direction
  20. 29. material substance that constitutes the observable universe and, together with energy, forms the basis of all objective phenomena
  21. 30. the numbers of these subatomic particles are not equal, the atom is electrically charged
  22. 32. movement of an atom or molecule from a region of relatively high concentration to one of relatively low concentration (discussed in this chapter with regard to gaseous species, but applicable to species in any phase)
  23. 33. describes the process by which solute components are dispersed in a solvent
  24. 36. sub-discipline of chemistry that focuses on the chemical synthesis, structure, and chemical and physical properties of polymers and macromolecules.
  25. 37. change from a gaseous to a liquid state
  26. 42. such as liters, pounds, and centimeters, are standards of comparison for measurements.