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Before we start, make sure each group has a calculator, periodic table, and a white board

Before we start, make sure each group has a calculator, periodic table, and a white board. No notes though. Choose Your Category. The Final Question. History - 100. I proposed this as the model of the atom. The Answer is JJ Thomson. Back. History - 200.

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Before we start, make sure each group has a calculator, periodic table, and a white board

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  1. Before we start, make sure each group has a calculator, periodic table, and a white board No notes though

  2. Choose Your Category The Final Question

  3. History - 100 • I proposed this as the model of the atom. The Answer is JJ Thomson Back

  4. History - 200 • I was known as the “Father of Modern Chemistry”. The Answer is Lavoisier Back

  5. History - 300 • I discovered the neutron. The Answer is James Chadwick. Back

  6. History - 400 • I used the oil drop experiment to determine the charge/mass of an electron. The Answer is Millikan. Back

  7. History - 500 • I gave us the Law of the Conservation of Mass. The Answer is Lavoisier. Back

  8. Atoms and the Periodic Table - 100 • This element has an atomic mass of 1.01? The Answer is Hydrogen Back

  9. Atoms and the Periodic Table - 200 • This element has 12 protons in its nucleus? • The Answer is Magnesium. Back

  10. Double Jeopardy

  11. Atoms and the Periodic Table - 300 • Write the nuclear symbol of the element with 24 protons and 28 neutrons. • The Answer is Cr Back

  12. Atoms and the Periodic Table - 400 • What is the mass of an element with 25 protons, 25 electrons, and 30 neutrons? The Answer is 55. Back

  13. Atoms and the Periodic Table - 500 Complete the chart: • The Answer is 34, 34, 46 Back

  14. Atomic Parts - 100 • I am the center of an atom. The Answer is the nucleus. Back

  15. Atomic Parts - 200 • When I change, the element changes? The Answer is the proton. Back

  16. Atomic Parts - 300 • When I am lost, an ion is created. The Answer is the electron. Back

  17. Atomic Parts - 400 • I change the atomic mass, but not the atomic number. The Answer is the neutron. Back

  18. Random Points 200

  19. Atomic Parts - 500 • What subatomic particles have a mass that impacts the mass of the atom? The Answer is protons and neutrons. Back

  20. Isotopes - 100 • What do isotopes of the same element differ in? The Answer is neutrons. Back

  21. Double Jeopardy

  22. Isotopes - 200 • Calculate the average atomic mass for carbon if its abundance in nature is 79.3% carbon-12, 13.3% carbon-13, and 7.4% carbon-14. The Answer is 12.3 g/mol Back

  23. Isotopes - 300 • One isotope of aluminum is aluminum-27. The 27 refers to the ______________ (two words). The Answer is mass number. Back

  24. Isotopes - 400 • The ____________________ of an isotope is the time required for half the nuclei in a sample of the isotope to undergo radioactive decay. The Answer is half-life Back

  25. Double Jeopardy

  26. Isotopes - 500 • What is the half-life of an isotope if 150 g of a 600 g sample of the isotope remains after 2.0 years? • The Answer is 1.0 years. Back

  27. Laws - 100 • The law that states that mass cannot be created or destroyed in ordinary chemical and physical changes. The Answer is Law of Conservation of Mass Back

  28. Laws - 200 • The law that states that a chemical compound always contains the same elements in exactly the same proportions by weight or mass. The Answer is Law of Definite Proportions Back

  29. Laws - 300 • During a chemical reaction, a group combines 5.00 grams of sodium and 7.72 grams of chlorine. The result of the reaction was 12.72 grams of sodium chloride. Which law does this support? The Answer is Law of Conservation of Mass Back

  30. Laws - 400 • The law that states that when two elements combine to form two or more compounds, the mass of one element that combines with a given mass of the other is in ratio of small whole number. The Answer is Law of Multiple Proportions Back

  31. Laws - 500 • Every molecule of octane, an important component is gas, has eight carbon atoms and eighteen hydrogen atoms. Which law does this support? The Answer is Law of Definite Proportions Back

  32. Radiation - 100 • We discovered Polonium and Radium? The Answer is Pierre and Marie Curie Back

  33. Random Points 400

  34. Radiation - 200 +  2g This formula shows the ___________________ of matter The Answer is annihilation Back

  35. Radiation - 300 • This type of radiation is a fast moving electron? The Answer is Beta. Back

  36. Radiation - 400 • Curium-246 combines with carbon-12 to form nobelium-254 and four neutrons. Is this fusion or fission? The Answer is fusion Back

  37. Double Jeopardy

  38. Radiation - 500 • Fill in the blank, identify the radioactive particle, and tell whether that particle was emitted or captured. The Answer is beta emission Back

  39. The Final Question • The final question has to deal with: • Percent Composition Make your wager and hand it to the teacher

  40. Average Mass • Carbon, hydrogen, and oxygen combine to make glucose, C2H6O2. What percent by mass do you have of each element?

  41. And the Answer is: • C = 38.7% • H = 9.7% • O = 51.6%

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