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Station 1 – LT 1.1 Lesson 1.1 – Introduction to the Atom Questions 1. Where can you find the protons, neutrons, and electrons in the atom? 2. What are the mass and charge of protons, neutrons, and electrons? 3. Draw a picture of the atom. Label the proton, neutron, and electron in this model. 4. On your picture from question 3, label the areas of high density and the areas of low density. What determines the density of each of these areas? Station 2 – LT 1.2 Lesson 1.2 – Development of Atomic Theory Questions 1. Describe the experiment that J. J. Thomson performed. Explain what he discovered and draw a diagram of the cathode-ray tube experiment that demonstrated evidence for the conclusion he reached. 2. Describe the experiment Ernest Rutherford performed. Explain what he discovered and draw a diagram of the gold foil experiment that demonstrated evidence for the conclusion he reached. 3. How did Bohr modify Rutherford’s model of the atom? 4. Below is a picture of Thomson’s plum pudding model of the atom: Explain how Rutherford’s and Bohr’s experiments modified Thomson’s model so as to develop the modern model shown below: electron neutron proton Station 3 – LT 1.3 Lesson 1.3 – Introduction to the Periodic Table Questions 1. What determines an element’s atomic number? What determines an element’s atomic mass? 2. How is the Periodic Table organized? 3. What is a group and what is a period? 4. As you go down a group does an atom, generally, get bigger or smaller? As you go across (left to right) does an atom, generally, get heavier or lighter? 5. Your friend argues that the Periodic Table is organized by atomic mass. Use evidence from the Periodic Table to disprove your friend’s claim. Station 4 – LT 1.4 Lesson 1.4 – Electron Configurations and the Octet Rule Questions Take out your “Build An Atom Simulator” handout in your binder. Go through the simulator to review the important concepts. NOTE – You cannot spend more than 15 minutes at this station! Station 5 – LT 1.4 Lesson 1.4 – Electron Configurations and the Octet Rule Questions 1. How many electrons can go in the first electron orbit? How many electrons can go in every orbit after the 1st? 2. How can groups on the Periodic Table provide a shortcut when drawing Bohr structures? 3. Draw the Bohr electron configuration for fluorine. 4. Draw the Bohr electron configuration for nitrogen after it satisfies the Octet Rule. What is the charge of its ion? 5. Draw the Bohr electron configuration for magnesium after it satisfies the Octet Rule. What is the charge of its ion? Station 6 – LT 1.5 Lesson 1.5 – Metals, Nonmetals, Semimetals, and Periodic Table Groups Question 1. Why do elements in the same group s demonstrate similar properties? 2. Label the alkali metals, alkaline earth metals, transition metals, halogens, and Noble Gases on the table shown below: 3. Give one common property of alkali metals, alkaline earth metals, halogens, and Noble Gases Station 7 – LT 1.6 Lesson 1.5 – Metals, Nonmetals, Semimetals, and Periodic Table Groups Questions 1. Describe how you determine if an element is a metal, non-metal, or semimetal. 2. What are some common properties of metals, nonmetals, and semimetals? Make a Ven Diagram of the properties of metals, non-metals, and semimetals. 3. Label the following as metals, nonmetals or semimetals: Carbon Selenium Copper Barium Silicon Magnesium Bromine Hydrogen Polonium Rubidium Fluorine Vanadium Station 8 – LT 1.7 Lesson 1.6 – Ionization Energy Questions 1. What does the ionization energy of an element describe? 2. How does nuclear charge contribute to an element’s ionization energy? 3. What is the trend in ionization energy as you go across a period? Down a group? 4. Why do these trends exist? 5. Sort the following elements from lowest to highest ionization energy: a. O, S, Po _______________ b. F, O, N _______________ c. Na, Li, K _______________ Station 9 – LT 1.8 Lesson Questions 1.7 – Electronegativity and Atomic Radius 1. What does the electronegativity of an element describe? 2. How does nuclear charge contribute to an element’s electronegativity? 3. What is the trend in electronegativity as you go across a period? Down a group? 4. Why do these trends exist? 5. Sort the following elements from highest to lowest electronegativity: a. Ca, Se, Ni ______________ b. O, Po, S ________________ c. Cs, F, Ga _______________ Station 10 – LT 1.7, 1.8, and 1.9 Lesson 1.6 – Ionization Energy 1.7 – Electronegativity and Atomic Radius Questions 1. What does the atomic radius of an element describe? 2. What is the trend in atomic radius as you go across a period? Down a group? 3. Why do these trends exist? 4. Sort the following elements from smallest to largest atomic radius: a. Ca, Se, Ni ______________ b. O, Po, S ________________ c. Cs, F, Ga _______________ 5. Nuclear charge plays a major role in the three periodic trends that we studied. Write a short response describing to someone what nuclear charge is and how it leads to the trends that we observed for electronegativity, ionization energy, and atomic radius that we observed.