1. Write the number of subatomic particles in a gold atom: a. # of Protons: b. # of Neutrons: c. # of Electrons: 2. Give one property of gold.
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1 Name: Date Period PART 1: Basics of Chemistry Gold - Au 1. Write the number of subatomic particles in a gold atom: a. # of Protons: b. # of Neutrons: c. # of Electrons: 2. Give one property of gold. 3. How much gold is in one ton of the mined rock? 4. How much is each truckload of ore worth, once the gold is extracted? 5. What determines how reactive an element is? 6. Write and color code the noble metals on the blank periodic table. 7. Why is gold so heavy? Copper - Cu 8. Write the number of subatomic particles in copper: a. Protons: b. Neutrons: c. Electrons: 9. List three uses of copper. 10. Give one property of copper.
2 Tin - Sn 11. What alloy does tin make when mixed with copper? 12. How are atoms arranged in pure metals? 13. Why isn t pure copper used for bells instead of bronze? Electron Microscope 14. How much would you have to zoom in on a map of the United States to replicate the power of an electron microscope? 15. Why is the microscope wrapped in acoustic blankets? 16. What part of the atom is actually visible under the microscope? 17. What do protons determine about an element? 18. What is the number of protons called? (The a number) 19. Label the atomic number, symbol, and atomic mass of calcium below:
3 20. Give an example of a real-life object or product made from each of the following elements: a. Calcium b. Bismuth c. Bromine 21. What is a family of elements? (Are families columns or rows on the periodic table) 22. Where did the noble gases get their name? 23. What do electrons determine? 24. How many electrons can fill each of the orbital levels in the diagram below? (Fill in Blanks) Level 1 = maximum electrons Level 2 = maximum electrons Level 3 = maximum electrons Chlorine - Cl 25. Give the number of atomic particles in chlorine: a. Protons b. Neutrons c. Electrons 26. Chlorine atoms tend to ( take / give away ) one electron, becoming an ( ion / isotope ). 27. Why do alkali metals and halogens react so strongly with other elements?
4 28. What do sodium and chlorine make when combined? 29. Compare the properties of each of the following: State of Matter Sodium Atom (Na) Chlorine Atom (Cl) Sodium Chloride (NaCl) Solid gas? Composed of IONS Reactive or Stable Practical Use Oxygen - O 30. What is ANFO? 31. What do each of the spikes on the ion chromatograph represent? 32. This is the chemical reaction of the ANFO explosion. Notice oxygen is NOT listed on the reactants side. Explain what happens during this reaction to release so much heat energy. 3NH4NO3 + 2CH3NO > 4N2 + 2CO2 + 9H2O 33. Below is the chemical equation for the burning candle. What gas is needed to start this reaction (what gas in on the reactants side? ) C25H52 (solid) + 38 O2 (gas) 25 CO2 (gas) + 26 H2O (liquid) 34. The chemical equation for the formation of rust (iron reacting with oxygen) is: 4 Fe (solid) + 3 O2 (gas) => 2 Fe2O3 (solid) What gas is on the reactants side?
5 Name: Date Period Part 2: Elements of Life 1. List the six most common elements of life, a common object they are found in, and an important property. Element Symbol Element Name Common Object Important Property C H N O P S What can happen when excessive trace elements are lost from the body? 2. Describe a body function or part that utilizes each of these trace elements: a. Calcium b. Iron c. Potassium d. Zinc e. Magnesium f. Sodium
6 3. What three conditions did the earliest bacteria need for energy production? 4. What do cyanobacteria use for energy production? What do they release as waste? 5. In the core sample collected from Yellowstone, which layer is the cyanobacteria? Origin of the Elements 6. What is the origin of hydrogen, the smallest element? 7. Describe the process of fusion and how it produces helium. 8. What happens when a star runs low on hydrogen fuel? 9. What is created in supernova explosion? Silicon and Glass 10. What elements is sand made of? 11. What is added to Gorilla Glass to make it stronger than normal glass? Rare Earth Elements 12. Where do most of the rare earth elements come from? 13. How are the fifteen rare earth elements chemically similar? 14. What elements are rare earth magnets usually made of?
7 15. Why are rare earth elements in such short supply? 16. How do sharks react to rare earth metals? 17. Describe the following parts of the lemon shark experiment: Independent Variable Dependent Variable Experimental Group Control Group - Carbon Isotopes 18. What is the difference between the compositions of these carbon isotopes? Protons Electrons Neutrons Carbon-12 Carbon-13 Carbon What happens to Carbon-14 over time? 20. Define radioactive half-life: 21. Based on carbon dating, how long ago did the tree die? Nuclear Radiation 22. Give the number of subatomic particles in uranium: a. Protons -- b. Neutrons -- c. Electrons How is the mousetrap simulation similar to a fission chain reaction? 24. What element was used as fuel for the Little Boy bomb? 25. What element was used as fuel for the Fat Man bomb?
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