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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