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Electrons Quiz/ Intro to the Periodic Table
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Evaluation/ Assessment
Objective Today I will be able to: Apply knowledge of wavelength calculations and quantum numbers to a quiz Identify the properties of the families on the periodic table Evaluation/ Assessment Informal assessment – Listening to group interactions and discussions as they complete the analyzing the periodic trends graphing activity Formal Assessment – Analyzing student responses to the exit ticket and graphs
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Lesson Sequence Warm – Up Evaluate: Electrons Quiz
Engage/Explore: Coloring the Periodic Table Explain: Introduction to the periodic table notes and video clips Elaborate: identify the trends in noble gases and across periods Informal assessment as students predict trends Evaluate: Exit ticket
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Warm - Up Take everything off of your desk for your quiz
Place your electronic device in Ms.Ose’s bin
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Objective Today I will be able to:
Apply knowledge of wavelength calculations and quantum numbers to a quiz Identify the properties of the families on the periodic table
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Homework Finish coloring the periodic table
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Agenda Warm – Up Coloring the Periodic Table
Introduction to the periodic table notes and video clips Exit ticket
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Coloring the Periodic Table Activity
Follow Ms. Ose’s directions to color the periodic table
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Intro to the Periodic Table Notes
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There are two ways to number the periodic table:
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Periodic Table Structure
Vertical groups are called families or groups, and have similar properties - There are 18 groups Horizontal rows are called periods - There are 7 periods Elements are classified into three types – metals, non-metals, and metalloids (sometimes called semi-metals)
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Metals Found to the left of the “zig-zag” line on the Periodic Table
Properties of Metals - Luster – shine - Malleable – can be hammered into sheets - Ductile – can be drawn into a wire - Good conductors – allow heat and electricity to pass through
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Classification of Metals
Alkali Metals (Group 1, except H) – water solutions are alkaline (basic) Alkali Earth Metals (Group 2) – extracted from earth’s minerals Together, they are called the Active Metals Bloedorn high school video
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Classification of Metals
Transition Metals (Found in periods 4-7, in the middle of the table) – mostly found in compounds Inner Transition (Rare Earth) Metals - Lanthanides – starting with La, 4f sublevel being filled - Actinides – starting with Ac, 5f sublevel is being filled
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Non-Metals Non-metals and noble gases are found to the right of the “zig-zag” line Their properties are the opposite of metals
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Classification of Non-Metals
Halogens (Group 17) – highly reactive, all form salts by reacting big time with alkali metals, as well as other metals – also reacts with non-metals Noble Gases (Group 18) – least reactive, most stable
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Metalloids (Semi-Metals)
Most of the elements touching the zig-zag line B, Si, Ge, As, Sb, Te, and At They have similar properties of metals and some properties of non-metals
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Exit Ticket What is the most stable family on the periodic table?
Why is this family the most stable? What families contain the most reactive elements on the periodic table?
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