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GENERAL CHEMISTRY QUIZ BEE Powerpoint.pptx
- 2. RULES:
- 3. 1. Write the correct answer in your own white board. 2. Incorrect Spelling is considered as a wrong answer. 3. Each question corresponds to a certain points: 3 points for identification 7 points for problem solving 4. For Identification, each group are given 30 seconds to write their answer and 3 minutes for problem solving. Failure to raise your board after thee time is up will void their answer for that round.
- 5. 1. Which pair of atom will share electrons when a bond is formed between them? K and I Na and Cl N and O Mg and O
- 6. 1. Which pair of atom will share electrons when a bond is formed between them? K and I Na and Cl N and O Mg and O
- 7. 2. What type of bonds are formed when metal atoms combine with nonmetal atoms?
- 8. 2. What type of bonds are formed when metal atoms combine with nonmetal atoms? Ionic Bonds
- 9. 10 3. If the first and second energy levels of an atom are full, then what would be the total number of electrons in the atom?
- 10. 2 4. How many electrons can the first energy level hold?
- 11. 1s 5. What is the lowest energy sublevel for any atom?
- 12. 6. A solution with a pH of 12 is: Weakly Acidic Strongly Acidic Weakly Basic Strongly Basic
- 13. 6. A solution with a pH of 12 is: Weakly Acidic Strongly Acidic Weakly Basic Strongly Basic
- 14. 7. The bond in hydrogen chloride (HCl) is which of the following types? ionic metallic Polar covalent Nonpolar covalent
- 15. 7. The bond in hydrogen chloride (HCl) is which of the following types? ionic metallic Polar covalent Nonpolar covalent
- 16. 8. Which of the following has the highest electronegativity? Oxygen Fluorine Chlorine Nitrogen
- 17. 8. Which of the following has the highest electronegativity? Oxygen Fluorine Chlorine Nitrogen
- 18. 180 g/mol 9. What is the molar mass of glucose (C6H12O6)?
- 19. 180 g/mol 10. What is the molar mass of glucose (C6H12O6)?
- 20. 11. Which of the following is an example of an exothermic process? Combustion of Gasoline Photosynthesis Melting of ice Dissolution of salt and water
- 21. 11. Which of the following is an example of an exothermic process? Combustion of Gasoline Photosynthesis Melting of ice Dissolution of salt and water
- 22. H2SO4 12. What is the chemical formula for sulfuric acid?
- 23. 1s^2 2s^2 2p^6 3s^2 3p^4 13. What is the Electron configuration of Sulfur (s)
- 24. MgSO4 14. What is the chemical formula for magnesium sulfate?
- 25. MgSO4 15. What is the chemical formula for magnesium sulfate?
- 26. 100 g/mol 16. What is the molar mass of calcium carbonate (CaCO3)?
- 27. 0.856 mol 17. Calculate the molarity of a solution prepared by dissolving 25 grams of sodium chloride (NaCl) in enough water to make 500 mL of solution.
- 28. Antimony 18. The symbol Sb stands for stibnum or stibnite. What is the modern name of this element?
- 29. Mendeleev 19. Who is credited with the invention of the modern periodic table?
- 30. 6.023 x 10^23 20. A mole contains Avogadro's number of items. What is Avogadro's number?
- 31. Diffusion 21. A drop of food coloring spreading out in a cup of water is an example of which transport process?
- 32. 1.25 L 22. A sample of gas occupies a volume of 2.50 L at a pressure of 1.20 atm. If the pressure is increased to 2.40 atm while the temperature remains constant, what will be the new volume of the gas?
- 33. Three 23. If an atom has 13 electrons, how many shells will have electrons?
- 34. Electron 24. Ionization energy is the energy required to remove an/a ___ from the outermost shell of an isolated gaseous atom
- 35. 5.44 L 25. A sample of gas occupies a volume of 5.0 L at a temperature of 25°C. If the temperature is increased to 50°C while the pressure remains constant, what will be the new volume of the gas?