50-word Crossword Puzzle

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Across
  1. 5. is one of the states of matter. is a substance which is not solid but which flows and can be poured, for example water.
  2. 6. chemistry together with physics
  3. 8. A substance with high electrical conductivity, luster, and malleability, which readily loses electrons to form positive ions (cations).
  4. 10. is a way of expressing numbers that are too big or too small to be conveniently written in decimal form. It is in counting the number of significant figures.
  5. 12. is the process by which water changes from a liquid to a gas or vapor.
  6. 15. is the transition from the solid phase to the gas phase without passing through an intermediate liquid phase.
  7. 17. can be separated into simpler substances, but only through chemical means.
  8. 22. is the degree to which a chemical substance or a particular mixture of substances can damage an organism.
  9. 23. whether the substance can be easily decomposed or not.
  10. 26. whether it will break into charged particles when in solution with water or not.
  11. 27. is a type of homogeneous mixture that does not separate on its own.
  12. 28. is the process of separating elemental metals from other particles in a mixture.
  13. 31. occurs when a substance is converted to a new substance.
  14. 34. any of a group of rare gases that include helium, neon, argon, krypton, xenon, and usually radon. It is called inert gas.
  15. 36. elements that are not able to conduct electricity or heat very well.
  16. 37. is the ability of a substance to react with other substances such as air, water, and base.
  17. 39. is the smallest object that retains the properties of an element.
  18. 42. are those that can be measured and oserved without changing the composition of the substance.
  19. 43. is a material made up of two or more different substances which are physically combined.
  20. 45. is the study of matter and the chemical reactions between substances.
  21. 46. whether the material is more active or less active than other members of its chemical family.
  22. 47. study of chemical processes within and relating to living organisms. It is the chemistry of life.
Down
  1. 1. refers to the phase change from gas to solid.
  2. 2. also called a solution.
  3. 3. Its particles are unstable since they settle down after a short period of time.
  4. 4. is one of the four fundamental states of matter. A substance or matter in a state in which it will expand freely to fill the whole of a container, having no fixed shape and no fixed volume .
  5. 7. whether it reacts with acids, bases, and oxygen, gas, or not.
  6. 8. is an element intermediate in properties between the typical metals and nonmetals.
  7. 9. is the process by which water vapor in the air is changed into liquid water.
  8. 11. is a process for the separation of mixtures of immiscible liquids or of a liquid and a solid mixture such as a suspension.
  9. 13. occurs when the internal make-up of the matter stays the same, even after the change - only shape,size, and state are altered.
  10. 14. is the positively charged center of the atom consisting of protons and neutrons.
  11. 16. is the process by which a substance changes from the solid phase to the liquid phase.
  12. 18. is a process in which a conversation factor written in a form of ratio is used to change the units given in the data to the units desired.
  13. 19. is the process where a mixture is separated through spinning.
  14. 20. is a particle with a positive charge that is in the nucleus of an atom.
  15. 21. is the study of the structure, properties, composition, reactions, and preparation of carbon-containing compounds, which include not only hydrocarbons but also compounds with any number of other elements.
  16. 24. is that branch of chemistry in which samples are analyzed in order to determine their components qualitatively and quantitatively.
  17. 25. are the smallest of the particles that make up an atom, and they carry a negative charge.
  18. 26. also called as intrinsic property.
  19. 29. is the simplest form of matter since it is compose of only one atom. It is a pure substance that cannot be decomposed into a simpler substance by ordinary chemical means.
  20. 30. is any substance that has mass and takes up space by having volume.
  21. 32. also called as extrinsic propery.
  22. 33. the branch of chemistry that deals with inorganic compounds.
  23. 35. is the technique of heating a liquid to create vapor which is collected when cooled separate from the original liquid. It is a process of separating a homogeneous mixture composed of two substances with boiling points.
  24. 38. is one of the Four fundamental states of matter which maintains a fixed volume and shape and its particles are very close to each other.
  25. 40. The process through which a substance changes from a liquid to a solid.
  26. 41. is a process of separating the components of a suspension.
  27. 44. is a method by which a mixture is separated by distributing its components between two phases. Coffee filter can be used in separating mixtures.
  28. 45. whether the substance undergoes combustion or not.