Lesson 3 1 can you model valence electrons

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  Unit 3 - The Atom. Lesson 1 – Subatomic particles. What is an atom? Atom: the __________________________________ that retains the identity of the substance. An atom ...

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• [DOCX File]All Bottled up: The Perfect Ecosystem

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  The number of electron pairs in the valence shell of a central atom is determined by drawing the Lewis structure of the molecule, expanded to show all lone pairs of electrons alongside protruding and projecting bonds. Where two or more resonance structures can depict a molecule, the VSEPR model is applicable to any such structure. For the purposes of VSEPR theory, the multiple electron pairs ...

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• [DOC File]Study Guide – Atomic Theory

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  The number of valence or outermost electrons. What are valence electrons?The outermost electrons in an atom. These are the electrons that will bond with other atoms to form molecules and compounds. How many valence electrons does each atom have? a) Cl (column 7A so 7) b) K (Column 1A so 1) c) Al (Column 3A or 13 so 3) Answers: 7) mass # = 15

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• [DOC File]Planning Sheet for Single Lessons

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  Experiment write-up and diagrams Teacher initiates role play (same type as for previous lesson). Students volunteer. 3 students play the role of the neutral rod. 3 students are the negative rod. They hold extra electrons. (Charging of this rod can be re-enacted to review stud’s knowledge) Bring the –ve rod (students) near. the neutral rod ...

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  3.2.6. Topic: Metallic Bonding. Allocated time: 2 x 45 hours = 90 minutes. Learning outcome (objective): Explains the formation of metallic bonding. Make connections between the structure of metallic bonding and the properties of metals. Prerequisites: The structure of atomic model (Valence electrons) Chemical species ( metal, nonmetal ...

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• [DOC File]Unit Plan for The Periodic Table

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  Lesson 3: Classification of the Chemical Elements. Adapted from lesson by James Purham. Chicago Vocational High School. Objectives: The students will learn how the chemical elements are arranged on the Periodic Table. Students will be able to arrange the elements on the Periodic Table. Students will learn about some of the important chemical and physical properties of the elements. Materials ...

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