1. 11/5/14 CHEMISTRY MRS.TURGEON “Happiness is not something ready made. It comes from your own actions.” –Dalai Lama OBJECTIVES SWBAT: 1.Demonstrate knowledge of quarter 1 during review DO NOW: 1. Define the term: mass

2. 11/5/14 CHEMISTRY MRS.TURGEON Reminders: 1. Science fair judges needed! Send your judges to the website to sign up. 3. Midterm tomorrow! (Unit 1 and Unit 2)

3. Recycle Ball One team picks a category and a point value. 15 seconds to discuss with team. I will randomly draw a name from the team to answer the question – no more discussions with group! If the team gets the correct answer, they get to shoot for more points.

4. 100 points 200 points

5. Subatomic particles Ions & Isotopes Density Atomic structure Miscellaneous 100 200 300 400 500 Jeopardy Trash Ball

6. Subatomic Particles : 100 Where are neutrons located? Back Answer: In the nucleus

7. Back Which subatomic particle has virtually NO mass? Answer: Electrons Subatomic Particles : 200

8. Back Which subatomic particles make up most of an atom’s mass? Answer: The protons & neutrons Subatomic Particles : 300

9. Back Which particle is a proton attracted to? Answer: an electron. Subatomic Particles : 400

10. Back As an electron gets further away from the nucleus, does coulombic attraction increase or decrease ? Answer: The coulombic attraction decreases Subatomic Particles : 500

11. Back The mass number is determined by the number of____and ____ in an atom? ANSWER: Protons & Neutrons Ions & Isotopes : 100

12. Back Why is the average atomic mass not a whole number ? Answer: It is a WEIGHTED average of all the isotopes of that element Ions & Isotopes : 200

13. Back If 1 proton were added to a hydrogen atom, what would we name it? Answer: Helium Ions & Isotopes : 300

14. Back If an element has 17 protons and 18 electrons, will it be a cation or an anion? Answer: anion (Cl-) Ions & Isotopes : 400

15. Back If a Na atom has an atomic number of 11 and a mass number of 22, how many neutrons does it have? Answer: 11 neutrons Ions & Isotopes : 500

16. Back What is the formula for density? Answer: D=M/V Density : 100

17. Back What is the formula to solve for mass (M=?) Answer: M= V * D Density : 200

18. Back What is the volume of a cube that is 3cm on each side? Answer: 27 cm 3 Density : 300

19. Back Which is more dense: 5 ml of water or 10 ml of water? Answer: They have the same density Density : 400

20. Back A cube has a mass of 10kg and a volume of 5cm 3 What is its density? Answer: 2000g/cm 3 Density : 500

21. Back Where do we find electrons in an atom? Answer: In the electron cloud Atomic Structure : 100

22. Back Who discovered the nucleus ? Answer: Ernest Rutherford Atomic Structure : 200

23. Back What is an atom mostly made up of? Answer: empty space Atomic Structure : 300

24. Back What subatomic particle was discovered during the cathode ray tube experiment ? Answer: The electron Atomic Structure : 400

25. What keeps the atom together? Answer: Coulombic Attraction Back Atomic Structure : 500

26. Back 20,000mm = _____m ? Answer: 20 meters Miscellaneous : 100

27. Back Convert to scientific notation: 34,000 Miscellaneous : 200

28. Back What is mass? Answer: The amount of matter in a substance Miscellaneous : 300

29. Answer: Independent variable Back What do we call the variable that the scientist Is manipulating? Miscellaneous : 400

30. Back What makes the world go ‘round ???? Answer: The movement of electrons!! Miscellaneous : 500