General

• Which subatomic particle was discovered by J.J Thomson through his experiments with cathode rats in 1897? Electron
• Which one exhibits a non-linear or bent molecular shape due to the presence of two lone pairs of electrons on the central atom?

  Water
• If the enthalpy change for a chemical reaction is negative, what does this imply about the nature of the reaction?
• Which functional group is typically present In an ester molecule formed from condensation of a carboxylic acid and an alcohol? -C=O (Carbonyl)/Ester
• According to the Pauling scale, which element possesses the highest electronegativity? Fluorine
• What specific information does the rate constant (k) provide about a chemical reaction? Speed/Rate of reaction
• Which one functions as a Lewis acid by accepting an electron pair? BF3
• In which compound does sulfur exhibit the highest oxidation state?

  Sulfur dioxide (SO2)
• Which type of a radiation possesses the highest penetration capability? Gamma radiation
• What is the coordination number of atoms surrounding a single atom in a body-centered cubic (BCC) structure?

  12