5.2.1
- 1. How do chemicals impact the environment?
- 2. What is isomerism?
- 3. What is functional group?
- 4. What are alkanes, alkenes, and alkynes?
- 5. What is a hydrocarbon?
- 6. What is organic chemistry?
- 7. Why is measurement important in chemistry?
- 8. What are significant figures?
- 9. What is dimensional analysis?
- 10. What is accuracy and precision?
- 11. What are SI units?
- 12. What are enzymes?
- 13. How do catalysts work?
- 14. What is a catalyst?
- 15. What factors affect the rate of reaction?
- 16. What is the rate of reaction?
- 17. Why do reactions release or absorb energy?
- 18. What is enthalpy?
- 19. What is activation energy?
- 20. What is endothermic reaction?
- 21. What is exothermic reaction?
- 22. What is neutralization?
- 23. What are strong and weak acids?
- 24. What is the pH scale?
- 25. What are salts?
- 26. What are bases?
- 27. What are acids?
- 28. What is filtration?
- 29. What is chromatography?
- 30. What is distillation?
- 31. What are common separation techniques used in chemistry?
- 32. What are colloids?
- 33. What are saturated and unsaturated solutions?
- 34. What is solubility?
- 35. What is a solution?
- 36. What is the Ideal Gas Equation?
- 37. What is Charles’s Law?
- 38. What is Boyle’s Law?
- 39. What is pressure in gases?
- 40. What is diffusion?
- 41. What are the properties of gases?
- 42. What are the properties of liquids?
- 43. What are the properties of solids?
- 44. What is theoretical and actual yield?
- 45. What is limiting reagent?
- 46. What is stoichiometry?
- 47. What are different types of chemical reactions?
- 48. Why must chemical equations be balanced?
- 49. What is a chemical equation?
- 50. What is a chemical reaction?
- 51. What are metals, non-metals, and metalloids?
- 52. What are periodic trends in electronegativity?
- 53. What are periodic trends in ionization energy?
- 54. What are periodic trends in atomic size?
- 55. What are groups and periods in the periodic table?
- 56. What is periodicity?
- 57. Who created the modern periodic table?
- 58. What is hydrogen bonding?
- 59. What is polarity of molecules?
- 60. What is electronegativity?
- 61. What is a metallic bond?
- 62. What is a covalent bond?
- 63. What is an ionic bond?
- 64. What is a chemical bond?
- 65. What is percentage composition?
- 66. What is molarity and molality?
- 67. How do you convert moles to number of particles?
- 68. What is molar mass?
- 69. What is Avogadro’s number?
- 70. What is a mole?
- 71. What is the difference between empirical and molecular formulas?
- 72. How is valency used to write chemical formulas?
- 73. What is valency?
- 74. What are chemical formulas?
- 75. What are chemical symbols?
- 76. What are shells and subshells?
- 77. What is electronic configuration?
- 78. What are orbitals?
- 79. Describe Bohr’s model of the atom.
- 80. What is an atomic model?
- 81. What are isotopes and isobars?
- 82. What is a mass number?
- 83. What is an atomic number?
- 84. What are the three fundamental particles of an atom?
- 85. What is the Law of Multiple Proportion?
- 86. What is the Law of Constant Proportion?
- 87. What modifications were made to Dalton’s atomic theory?
- 88. What is Dalton’s Atomic Theory?
- 89. State the Law of Conservation of Mass.
- 90. What are physical and chemical changes? Give examples.
- 91. What is the difference between physical and chemical properties of matter?
- 92. What are homogeneous and heterogeneous mixtures?
- 93. What is the difference between elements, compounds, and mixtures?
- 94. How is matter classified into solid, liquid, and gas?
- 95. What is matter?
- 96. How does chemistry contribute to medicine and healthcare?
- 97. What is the difference between pure chemistry and applied chemistry?
- 98. What are the different branches of chemistry?
- 99. Why is chemistry important in our daily life?
- 100. What is chemistry and what is its scope?