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Unit 1: Atomic Structure and the Periodic Table -- Review

Unit 1: Atomic Structure and the Periodic Table -- Review. August 22, 2012. Catalyst: Mystery Elements. Take out your homework and element project. Write the name of the elements based on the clues below: The semi-metal with the smallest atomic number.

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Unit 1: Atomic Structure and the Periodic Table -- Review

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  1. Unit 1: Atomic Structure and the Periodic Table -- Review August 22, 2012

  2. Catalyst: Mystery Elements • Take out your homework and element project. • Write the name of the elements based on the clues below: • The semi-metal with the smallest atomic number. • The halogen with 45 neutrons on average. • The two transition metals that pennies are made out of. Hint: the Group 11 and Group 12 elements with the smallest atomic number.

  3. Catalyst Answer 1 • Boron Fun Fact: Boron is used to control nuclear reactions. It is used in control rods for nuclear reactors.

  4. Catalyst Answer 2 • Bromine Fun fact: salt tablets made of sodium and bromine are used to disinfect swimming pools.

  5. Catalyst Answer 3 • Zinc and Copper • Currently, pennies are 97.5% zinc and 2.5% copper. • Pennies were made of pure copper until the year 1837. • After that, they have been different combinations of copper, zinc, and tin.

  6. Objectives • I can work as a team to review the Unit 1 material.

  7. Agenda • Catalyst: Mystery Elements (10 min.) • Jeopardy: Unit 1 Review (30 min.) • Element Presentation Sign-up and Unit 1 Test overview (10 min.)

  8. Unit 1: Jeopardy Rules • Everyone needs paper and pencil. • Your team is your table group. • Each team gets one white board. • Teams take turns picking the questions. • All teams must write the answer on the white board, but the team that picked the question gets a chance to answer first. • If the team gets the question wrong, then they pick the team to get the second chance at the question.

  9. Final Jeopardy Question • This is a 500 point question: • Put the following elements in order of decreasing atomic radius (biggest atomic radius to smallest: • P O S

  10. Final Jeopardy Answer Explanation: Atomic radius increases as we move down a group and decreases from left to right. The biggest element will be lower and to the left. The smallest element will be higher and to the right. • P S O

  11. Element Project Presentation Sign Up • Would you like to present your element project in class on Thursday or Friday? • Sign up on the board. • Your presentation should be about 3 minutes. Just explain some of the properties of your element and share the discovery, uses, or other fun facts. • Students who present their project will receive “life skills” credit.

  12. Your Homework • Review for the Unit 1 Assessment • The following textbook questions will help you review: • Pp. 107-110: #16, 30, 35, 48, 55, 61, 71, 80 • Pp. 151: # 29, 31 • pp. 152 #50, 51, 54

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