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1. Q: What determines the degree of completeness of a reaction?D: equilibrium constant-------------------------------------2. Q: What is the substance called that causes an alteration of the speed of a chemical reaction?C: catalyst-------------------------------------3. Q: What substance does not have catalytic capability, but does increase the effectiveness of a catalyst?B: promoter-------------------------------------4. Q: Who first proposed the atomic theory?A: John Daltan-------------------------------------5. Q: What is the temperature at which the vapor pressure of a liquid slightly exceeds the pressure of the atmosphere above the liquid?B: boiling point-------------------------------------6. Q: When the pressure on a liquid is increased, the boiling point:A: goes up-------------------------------------7. Q: What is the property of a fluid that prevents it from flowing when subjected to an applied force?C: viscosity-------------------------------------8. Q: High-viscosity fluids tend to:A: resist flow-------------------------------------9. Q: What theory states that equal volumes of different gases contain the same number of molecules when compared under the same conditions.D: Avogadro's Law-------------------------------------10. Q: What are atoms of the same element that differ in weight?A: isotopes-------------------------------------11. Q: Who first came up with the periodic table?B: Dmitry Mendeleyev-------------------------------------12. Q: What is the number of the element on the Periodic Table called?D: atomic number-------------------------------------13. Q: Who invented the X-ray?A: Wilhelm Conrad Roentgen-------------------------------------14. Q: What is the center of the atom?B: nucleus-------------------------------------15. Q: Who's theory proposed that electrons are arranged in shells, or quantum levels, at a distance from the nucleus?C: Bohr-------------------------------------16. Q: If helium has an atomic number of 2, how many electrons does it have?B: 2-------------------------------------17. Q: According to Bohr's Theory, what is the maximum number of electron orbital layers?D: 7-------------------------------------18. Q: Which gas is not an inert gas?A: oxygen-------------------------------------19. Q: Inert gases have:B: completely filled outer shells-------------------------------------20. Q: Do inert gases enter into chemical combinations in nature?A: no-------------------------------------21. Q: The inner-most electron shell can contain how many electrons?C: 2-------------------------------------22. Q: Which is a proton donor?A: acid-------------------------------------23. Q: Which is a proton acceptor?B: base-------------------------------------24. Q: Alkali metals have:A: low melting points-------------------------------------25. Q: How many Alkali metals are there?D: 6-------------------------------------26. Q: Which is not an Alkali metal?C: gold-------------------------------------27. Q: What was Melvin Calvin was known for his study of?B: photosythesis-------------------------------------28. Q: What element is crucial to the existence of living organisms?C: carbon-------------------------------------29. Q: What is the process of rapid oxidation of a substance with simultaneous evolution of heat?D: combustion-------------------------------------30. Q: What is the gradual change of a liquid into a gas without boiling?A: evaporation-------------------------------------31. Q: What is the breaking down of a substance or compound into its simpler components?B: decomposition-------------------------------------32. Q: What are chemical changes in organic substances caused by the action of enzymes called?D: fermentation-------------------------------------33. Q: What compounds are formed by the reaction of acids and alcohols?C: esters-------------------------------------34. Q: Which of the following elements must be present for fire to exist?A: oxygen or chlorine-------------------------------------35. Q: What is the number of electrons that an atom can give to or accept from another atom in a chemical reaction?B: valence-------------------------------------36. Q: Who was key to developing the valence theory?C: Sir Edward Franklin-------------------------------------37. Q: What is the temperature at which a liquid congeals into the solid state at a given pressure?D: freezing point-------------------------------------38. Q: What is the change of a substance from the solid to the liquid state called?B: fusion-------------------------------------39. Q: Who invented vulcanization for the rubber industry?A: Charles Goodyear-------------------------------------40. Q: What process combines rubber and sulfer at a high temperature?B: vulcanization-------------------------------------41. Q: Who won the 1944 Nobel Prize in chemistry for his work in nuclear fission?C: Otto Hahn-------------------------------------42. Q: How many Halogens are there?D: 5-------------------------------------43. Q: What elements are Hydrocarbons composed of?C: Hydrogen and Carbon-------------------------------------44. Q: What is something called when it changes color in response to the nature of its chemical environment?B: indicator-------------------------------------45. Q: What color does Litmus change to in acid solutions?A: red-------------------------------------46. Q: What color does Litmus change to in basic solutions?B: blue-------------------------------------47. Q: What does an atom that loses an electron form?A: cation-------------------------------------48. Q: What does an atom that gains an electron form?B: anion-------------------------------------49. Q: What is one of two or more species of atom having an identical atomic number but differing in mass number called?D: isotope-------------------------------------50. Q: What is one of two or more molecules, having the same chemical compositions, but a differing arrangement of atoms?A: isomer-------------------------------------51. Q: Who invented the Carbon-14 dating method?B: Williard Libby-------------------------------------52. Q: Amalgams are types of what?A: alloys-------------------------------------53. Q: Alloys are:C: combinations of metals-------------------------------------54. Q: What is the ability of a solid substance to resist abrasion and surface deformation called?A: hardness-------------------------------------55. Q: What is the resistance to breakage called?D: tensile strength-------------------------------------56. Q: What is the ability to return to the original shape after being deformed called?B: elasticity-------------------------------------57. Q: What is the ability to be shaped called?C: malleability-------------------------------------58. Q: What is the sum of all the atomic weights of all the atoms in a molecule?C: Molecular Weight-------------------------------------59. Q: What is the smallest particle of a substance having the specific chemical properties of that substance?B: molecule-------------------------------------60. Q: What term indicates the hydrogen ion concentration of a solution?D: pH-------------------------------------61. Q: What is the chemical formula for salt?A: NaCl-------------------------------------62. Q: What is the chemical formula for water?B: H2O-------------------------------------63. Q: What is a solvent for salt?D: water-------------------------------------64. Q: Polymers are made up of smaller repeating units called?C: monomers-------------------------------------Click here for the Chemistry 101 questions
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