2. NAME AND DESCRIBE THE SUBATOMIC PARTICLES THAT MAKE UP AN ATOM.

3. PROTON – 1 amu, +1 CHARGE, FOUND IN THE NUCLEUS NEUTRON – 1 amu, 0 CHARGE, FOUND IN NUCLEUS ELECTRON – 0 amu, -1 CHARGE, FOUND IN ORBITS AROUND THE NUCLEUS

4. WHAT IS ATOMIC NUMBER, Z?

5. Z = # PROTONS IN A NEUTRAL ATOM, IT IS ALSO EQUAL TO THE # ELECTRONS

6. WHAT IS ATOMIC MASS?

7. A = ATOMIC MASS = # PROTONS + # NEUTRONS

8. WHERE IS MOST OF THE MASS OF AN ATOM LOCATED?

9. IN THE NUCLEUS

10. WHAT DETERMINES THE CHEMICAL PROPERTIES OF AN ELEMENT?

11. THE ATOMIC NUMBER, WHICH IS ALSO EQUAL TO THE NUMBER OF ELECTRONS.

12. THE DENSITY OF ALUMNUM IS 2.70 g/ml. A PIECE OF ALUMNUM FOIL HAS A VOLUME OF 54 ml. WHAT IS THE MASS OF THIS PIECE OF ALUMINUM FOIL? A. 145.8 g B. 20 g C. 14.58 g D. 0.05 g

13. THE DENSITY OF ALUMNUM IS 2.70 g/ml. A PIECE OF ALUMNUM FOIL HAS A VOLUME OF 54 ml. WHAT IS THE MASS OF THIS PIECE OF ALUMINUM FOIL? A. 145.8 g B. 20 g C. 14.58 g D. 0.05 g

14. WHICH OF THE FOLLOWING IS AN EXAMPLE OF A PHYSICAL CHANGE? A. formation of silver sulfide when silver reacts with sulfur in the air B. burning of methane gas, which produces water and carbon dioxide. C. condensation of water vapor on the outside of a cold can of soda d. vinegar and baking soda, combining and forming a salt and water.

15. WHICH OF THE FOLLOWING IS AN EXAMPLE OF A PHYSICAL CHANGE? A. formation of silver sulfide when silver reacts with sulfur in the air B. burning of methane gas, which produces water and carbon dioxide. C. condensation of water vapor on the outside of a cold can of soda d. vinegar and baking soda, combining and forming a salt and water.

16. HOW DO ISOTOPES OF THE SAME ELEMENT DIFFER? A. THEY HAVE THE SAME NUMBER OF PROTONS AND ELECTRONS, BUT A DIFFERENT NUMBER OF NEUTRONS B. THEY HAVE THE SAME NUMBER OF PROTONS AND NEUTRONS, BUT A DIFFERENT # OF ELECTRONS C. THEY HAVE THE SAME NUMBER OF NEUTRONS AND ELECTRONS BUT A DIFFERENT NUMBER OF PROTONS D. THEY HAVE DIFFERENT SYMBOLS

17. HOW DO ISOTOPES OF THE SAME ELEMENT DIFFER? A. THEY HAVE THE SAME NUMBER OF PROTONS AND ELECTRONS, BUT A DIFFERENT NUMBER OF NEUTRONS B. THEY HAVE THE SAME NUMBER OF PROTONS AND NEUTRONS, BUT A DIFFERENT # OF ELECTRONS C. THEY HAVE THE SAME NUMBER OF NEUTRONS AND ELECTRONS BUT A DIFFERENT NUMBER OF PROTONS D. THEY HAVE DIFFERENT SYMBOLS

18. AN ISOTOPE OF CHLOLRINE HAS 17 PROTONS AND 19 LNEUTRONS. WHAT IS THE MASS NUMBER FOR THAT ISOTOPE OF CHLORINE? A. 2 B. 17 C. 19 D. 36

19. WHERE IS 99.99 PERCENT OF THE VOLUME OF AN ATOM LOCATED? A. NUCLEUS B. IN ITS ELECTRON CLOUD C. IN ITS PROTONS D. IN IT NEUTRONS

20. WHERE IS 99.99 PERCENT OF THE VOLUME OF AN ATOM LOCATED? A. NUCLEUS B. IN ITS ELECTRON CLOUD C. IN ITS PROTONS D. IN IT NEUTRONS

21. WHAT IS SCIENCE?

22. A SYSTEMATIC STUDY OF HOW THINGS HAPPEN.

23. WHAT IS CHEMISTRY?

24. THE SCIENCE OF MATTER AND ITS INTERACTIONS.

26. WHAT IS PHYSICS?

27. THE SCIENCE OF ENERGY

28. WHAT IS LIGHT?

29. A FORM OF ENERGY WITH BOTH WAVE AND PARTICLE PROPERTIES.

30. HOW ARE TWO WAYS THAT YOU COULD CHARACTERIZE LIGHT?

31. WAVELENGTH FREQUENCY

32. AT WHAT WAVELENGTHS DOES VISIBLE LIGHT EXIST?

33. 400 TO 700 nm

34. HOW DOES THE ENERGY PER PHOTON CHANGE WITH INCREASE IN WAVELENGTH?

35. ENERGY DECREASES

36. WHAT KIND OF SPECTRA DOES A HEATED SOLID EMIT?

37. CONTINUOUS OR BAND SPECTRA WHY?

38. WHAT KIND OF SPECTRA DOES A HEATED SOLID EMIT? CONTINUOUS OR BAND SPECTRA WHY? THE ATOMS ARE PACKED CLOSE TOGETHER, AND THE ELECTRONS INTERFER WITH EACH OTHER.

39. WHAT KIND OF SPECTRA DOES A HEATED GAS EMIT?

40. LINE SPECTRA WHY?

41. WHAT KIND OF SPECTRA DOES A HEATED GAS EMIT? LINE SPECTRA WHY? THE ATOMS ARE FAR APART, AND THE ELECTRONS ON ONE ATOM CAN ACT INDEPENDENTLY FROM THOSE ON ANOTHER.

42. AS THE TEMPERATURE OF A SOLID INCREASES, HOW DOES THE max (wavelength of maximum light intensity) CHANGE?

43. IT IS SHIFTED TO SHORTER WAVELENGTHS.

44. WHAT IS THE DOPPLER EFFECT?

45. HOW WAVELENGTH CHANGES WHEN AN EMITTING OBJECT IS MOVING RELATIVE TO YOU

46. NAME THREE THINGS THAT ASTRONOMERS CAN MEASURE USING LIGHT.

47. TEMPERATURE CHEMICAL COMPOSITION SPEED RELATIVE TO EARTH PRESENCE OF PLANETS AROUND A STAR

48. WHAT DOES TEMPERATURE MEASURE?

49. THE AVERAGE KINETIC ENERGY OF THE PARTICLES IN THE OBJECT.