Chemistry Crossword

1234567891011121314151617181920212223242526272829303132333435363738
Across
  1. 3. compound-any member of a large class of gaseous, liquid, or solid chemical compounds whose molecules contain carbon
  2. 7. substance that has a molecular structure consisting chiefly or entirely of a large number of similar units bonded together
  3. 9. The substances that result from this recombination of atoms.
  4. 11. chain reaction- a series of nuclear fissions each initiated by a neutron produced in a preceding fission.
  5. 12. electron-an electron that is associated with an atom, and that can participate in the formation of a chemical bond
  6. 13. theory- Explains why chemical reactions occur and why reaction rates differ for different reactions.
  7. 15. chemical compound that conducts electricity by changing into ions when melted or dissolved into a solution
  8. 16. The abundance of a constituent divided by the total volume of a mixture
  9. 17. polymer-manmade out of raw materials that are found in nature.
  10. 20. or relating to the emission of ionizing radiation or particles
  11. 21. substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.
  12. 22. reaction- A process that involves the rearrangement of the molecular or ionic structure of a substance
  13. 23. compound of hydrogen and carbon
  14. 24. figure expressing the acidity or alkalinity of a solution.
  15. 25. production of chemical compounds by reaction from simpler materials.
  16. 27. minor component in a solution, dissolved in the solvent.
  17. 28. energy- the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction
  18. 31. Reaction- a chemical reaction that is accompanied by the absorption of heat, or an organism that generates heat to maintain its temperature.
  19. 32. a homogeneous mixture composed of two or more substances
  20. 35. branch of chemistry or biochemistry concerned with measuring and studying the rates of reactions.
  21. 36. basic unit of a chemical element.
  22. 37. atom or molecule with a net electric charge due to the loss or gain of one or more electrons
  23. 38. ionic compound that results from the neutralization reaction of an acid and a base
Down
  1. 1. bonding- the complete transfer of valence electrons between atoms
  2. 2. bonding- A chemical bond where atoms share electron pairs.
  3. 4. a chemical reaction that releases energy by light or heat
  4. 5. a substance that takes part in and undergoes change during a reaction.
  5. 6. A process in which atoms of the same or different elements rearrange themselves to form a new substance
  6. 8. process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons to form ions
  7. 10. changing of one chemical element into anotherccc
  8. 14. instrument for detecting and measuring electricity, especially as an indication of the ionization of air by radioactivity
  9. 18. particles-a helium nucleus emitted by some radioactive substances, originally regarded as a ray.
  10. 19. group of atoms bonded together, representing the smallest fundamental unit of a chemical compound
  11. 26. to dissolve other substances
  12. 29. chemical property referring to the ability for a given substance, the solute, to dissolve in a solvent
  13. 30. molecule that can be bonded to other identical molecules to form a polymer.
  14. 33. the process of purification of a substance or a form.
  15. 34. a quantity collected from a sample or batch of a substance in a fractionating separation process