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Module 2 Unit 2 Assignment A

Module 2 Unit 2 Assignment A - electronic configuration of...

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MODULE 2 UNIT 2 Assignment Part A 1. What’s the total number of orbitals in the valence shell of an atom? How many electrons can each orbital contain? 2 marks - There are a total of four orbitals in the valence shell of an atom. - Each orbital can contain at the most two atoms. 2. Indicate how many full and half-full orbitals there are in the valence shell of the following elements: (2 marks each) a) Krypton – 4 full orbitals b) Germanium – 4 half-full orbitals c) Tellurium – 2 full orbitals & 2 half-full orbitals d) Gallium – 3 half-full orbitals e) Potassium – 1 half-full orbital 10 marks 3. Explain, in word, how to represent, using Lewis structures, the
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Unformatted text preview: electronic configuration of the following elements: a) Silicon – Si with one dot on top, one to the right, one below, and one to the left, four dots in total. b) Phosphorus – P with two dots on top, one to the right, one below and one to the left, five dots in total. c) Fluorine – F with two dots on top, two to the right, two below and one to the left, seven dots in total. d) Argon – Ar with two dots on top, two the right, two below and two to the left, eight dots in total. 4 marks Total 16 marks Submission Instructions Submit your assignment using the drop box on the Assignment page for this unit....
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