GENERAL CHEMISTRY

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  1. 1. a positively charged elementary particle that is a fundamental constituent of all atomic nuclei.
  2. 3. a chemical element that exhibits some properties of metals and some of nonmetals
  3. 5. the branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances.
  4. 6. number that is non (blank)are always significant
  5. 8. is the process of loosening the edible part of grain (or other crop) from the chaff to which it is attached. It is the step in grain preparation after reaping.
  6. 10. is a heterogeneous mixture that contains solid particles sufficiently large for sedimentation.
  7. 12. is one of the states of matter, it consist of atoms or molecules that are connected by intermolecular bonds.
  8. 13. figures are any non-zero digits or trapped zeros. They do not include leading or trailing zeros.
  9. 20. the impetus for which a chemical substance undergoes a chemical reaction, either by itself or with other materials, with an overall release of energy.
  10. 21. is a unit of measure of the rate of electron flow or current in an electrical conductor.
  11. 23. the chemistry of carbon compounds
  12. 26. is a type of bonds require at least one electron donor and one electron acceptor.
  13. 28. is the method in which heavier components of the mixture are separated from the lighter substances with the help of wind.
  14. 30. composed of electrons and a nucleus. The nucleus contains protons and neutrons.
  15. 31. The term itself usually refers to the magnetic dipole moment.
  16. 32. is a temperature scale designed so that zero degrees K is defined as absolute zero
  17. 35. This method is best for separating a liquid from a solution.
  18. 36. is a mixture in which one substance of microscopically dispersed insoluble or soluble particles is suspended throughout another substance.
  19. 37. is a chemical element with the symbol C and atomic number 6.
  20. 38. A particle found in the nucleus of an atom. It is almost identical in mass to a proton, but carries no electric charge.
  21. 40. a standard scientific unit for measuring large quantities of very small entities such as atoms, molecules, or other specified particles.
  22. 42. is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540×1012 Hz and that has a radiant intensity in that direction of 1/683 watt per steradian.
  23. 43. the quality of an object or substance with respect to light reflected by the object, usually determined visually by measurement of hue, saturation, and brightness of the reflected light; saturation or chroma.used to identify physical property
  24. 44. is a state of matter characterized by particles arranged such that their shape and volume are relatively stable.
  25. 45. is a physical property of matter, as each element and compound has a unique density associated with it.
  26. 48. is the ability of a chemical to burn or ignite, causing fire or combustion.
  27. 50. is anything that has mass and takes up space.
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  1. 2. the degree to which a chemical substance or a particular mixture of substances can damage an organism.
  2. 4. is the base unit of time in the International System of Units
  3. 7. defined as a state of matter consisting of particles that have neither a defined volume nor defined shape
  4. 9. The process used to separate slightly larger particles from a mixture by hand
  5. 10. used to separate dry mixtures wich contains substances of different sizes by passing it through a sieve
  6. 11. a view of reactions: single atomic/molecular collisions
  7. 14. a branch of chemistry that deals with the identification of compounds and mixtures
  8. 15. a unit of force and weight, equal to the force that produces an acceleration of 9.80665 meters per second per second
  9. 16. composed of different substances or the same substance in different phases, as solid ice and liquid water.
  10. 17. state of matter change from vapor phase to liquid phase.
  11. 18. is a state of a chemical reaction is a particular configuration along the reaction coordinate.
  12. 19. a solid, liquid, or gaseous mixture that has the same proportions of its components throughout any given sample.
  13. 22. a chemical link formed between atoms in molecules and molecules and ions in crystals.
  14. 24. are chemical compounds with one or more oxygen atoms combined with another element
  15. 25. this is a more common method of separating an insoluble solid from a liquid.
  16. 27. is a chemical reaction that occurs between a fuel and an oxidizing agent that produces energy, usually in the form of heat and light.
  17. 29. is a special type of homogeneous mixture composed of two or more substances.
  18. 33. is study of the chemical substances and processes that occur in plants, animals, and microorganisms and of the changes they undergo during development and life.
  19. 34. is the process by which water changes from a liquid to a gas or vapor.
  20. 39. is the component of a solution that is present in the greatest amount.
  21. 41. is defined as the substance that is dissolved in a solution.
  22. 46. is the ability of a solid, liquid, or gaseous chemical substance (referred to as the solute) to dissolve in solvent (usually a liquid) and form a solution
  23. 47. is a substance with a pH value of more than 7.Views: 13951 Update:2019-11-16
  24. 49. the fundamental unit of length in the metric system