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

2. Choose Your Category HistoryAtoms and the Periodic Table Atomic Parts IsotopesLawsRadiation 100 200 300 400 500 The Final Question

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

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

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

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

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

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

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

10. Double Jeopardy

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

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

13. Atoms and the Periodic Table - 500 Back The Answer is 34, 34, 46 IsotopeNumber of Protons Number of Electrons Number of Neutrons Selenium - 80 Complete the chart:

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

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

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

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

18. Random Points 200

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

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

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. Back The Answer is 12.3 g/mol

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

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. Back The Answer is half-life

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? Back The Answer is 1.0 years.

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

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. Back The Answer is Law of Definite Proportions

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? Back The Answer is Law of Conservation of Mass

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. Back The Answer is Law of Multiple Proportions

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? Back The Answer is Law of Definite Proportions

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

33. Random Points 400

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

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

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

37. Double Jeopardy

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

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 C 2 H 6 O 2. What percent by mass do you have of each element?

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