GENERAL CHEMISTRY QUIZ BEE Powerpoint.pptx

The Science and Technology Quiz Bee will be a team competition. 2. The quiz bee will be divided into three (3) rounds: the EASY, AVERAGE, and DIFFICULT round. 3. The questions for the entire

1. GENERAL CHEMISTRY QUIZ BEE

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.

4. Are you ready?

5. 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. 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?