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Classify the following properties as Physical or Chemical:

Classify the following properties as Physical or Chemical:. Physical or Chemical?. Bright red or orange-red in color Soluble in water Decomposes when exposed to light odorless gas crystalline solid at room temperature Supports combustion Liquid at room temperature Ductile and malleable.

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Classify the following properties as Physical or Chemical:

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  1. Classify the following properties as Physical or Chemical:

  2. Physical or Chemical? • Bright red or orange-red in color • Soluble in water • Decomposes when exposed to light • odorless gas • crystalline solid at room temperature • Supports combustion • Liquid at room temperature • Ductile and malleable

  3. Reacts vigorously with metals • Melts at 1500 C • Can be cut with a knife • Density of 0.97g/mL • Normal Boiling point of 80 C • Oxidizes when exposed to air • Specific heat of 3.5 J/g-C

  4. Name 3 physical and 3 chemical changes

  5. A metal sample has a mass of 45.65 g. The volume of the sample is 16.5 cm3. What is the density of the sample? • If the actual density of the sample is 2.70 g/cm3, what is the % error in the calculated density?

  6. A metal sample has a mass of 45.65 g. The volume of the sample is 16.5 cm3. What is the density of the sample? 2.77g/cm3 • If the actual density of the sample is 2.70 g/cm3, what is the % error in the calculated density? 3%

  7. Where are the metals located on the periodic table? • Nonmetals? • Metalloids? • Noble Gases? • Where is Hydrogen?

  8. Name the element: Alkali metal in period 2 Metalloid in the Al family Chalkogen in period 4 Noble Gas in period 6 Only metal that is a liquid at Room Temp Only nonmetal that is a liquid at Room Temp

  9. Name the element: Alkali metal in period 2 Li Metalloid in the Al family B Chalkogen in period 4 Se Noble Gas in period 6 Rn Only metal that is a liquid at Room Temp Hg Only nonmetal that is a liquid at Room Temp Br

  10. Draw an atom. Use as much Detail As You can.

  11. How would you separate a mixture of sand and salt water into three pure substances?

  12. How many protons and neutrons are there in an Iodine -131 nucleus? • A nuclide contains 86 protons and 136 neutrons. What element is it, and what is its mass number?

  13. How many protons and neutrons are there in an Iodine -131 nucleus? 53 P 78 n • A nuclide contains 86 protons and 136 neutrons. What element is it, and what is its mass number? Rn-222

  14. Write the nuclear equation for the beta decay of Th-234.

  15. Write the nuclear equation for the beta decay of Th-234. • Pa- 234 is daughter

  16. What are the 3 types of radiation? What are their mass, charge, and penetrating power?

  17. Write the symbol for a silver ion that has 46 electrons, and 61 neutrons. • Is it a cation or an anion?

  18. Write the symbol for a silver ion that has 46 electrons, and 61 neutrons. 107Ag+ • Is it a cation or an anion? • Cat

  19. Calculate the number of moles in a 100 mg sample of tin. Use dimensional analysis. • 8 x 10 -4 moles

  20. Do problem 19 on page 90

  21. What charge would a calcium ion have?. • What is the electron configuration for this ion? • What is the abbreviated electron configuration for silver?

  22. Why are the noble gases nonreactive?

  23. See Figure 6 on page 101. • What are the 4 spectral lines in Hydrogen’s emission spectrum? (What are the colors and their wavelengths) • How do these lines form?

  24. Parts Per Million • Concentration Units used for very dilute solution • Parts Per Million = • Grams Solute x 1 x 106 • Grams Solution

  25. A 1.00 Liter sample of contaminated water contains 420 mg of Nitrate ion. What is the concentration of the nitrate ion in parts per million (ppm)? • Parts Per Million = • Grams Solute x 1 x 106 • Grams Solution

  26. A 1.00 Liter sample of contaminated water contains 420 mg of Nitrate ion. What is the concentration of the nitrate ion in parts per million (ppm)? 420 ppm • Parts Per Million = • Grams Solute x 1 x 106 • Grams Solution

  27. Draw Lewis dot structures for: CO2, Cl-, O2

  28. Write the nuclide notation for the ion having 30 protons, 28 electrons, and 35 neutrons.

  29. Summarize the following periodic trends: • Atomic radius • Ionization energy • Metallic character • electronegativity

  30. Rb, Sn, or Xe? • Which is smaller? • Which has lower ionization energy? • Which is most electronegative? • Which is most metallic?

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