3.05 chem

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St. John's University *

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2020

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Chemistry

Date

Feb 20, 2024

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docx

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Uploaded by GrandRabbitMaster877

3.05 by: Alexander Di Staulo 1. Write a statement explaining which characteristics of an atom determine the VSEPR shape of a molecule (hint: look at the VSEPR geometry chart). VSEPR forecasts shape, lone pairs, and other properties by displaying the molecule's form as well as the arrangement of its electron pairs and atom. 2. How does the force between the atoms impact the shape of a molecule? The shape is determined by the force between the atoms. For instance, depending on the limitations, covalent bonds can form various forms while ionic bonds can form crystal lattice structures. Activity: First row is done for you as a model. Compound Draw Lewis Structure Use VSEPR Chart to determine: Determine the structures of the molecule Draw the VSEPR model H 2 O Total Domains: 4 Bonded Atoms: 2 Lone Pairs: 2 Molecular Shape: Bent Electron Geometry: Tetrahedral SiH 4 In the document I scanned and uploaded Total Domains: 4 Bonded Atoms: 4 Lone Pairs: 0 Molecular Shape: tetrahendral Electron Geometry: tetrahendral In the document I scanned and uploaded Br 2 In the document I scanned and uploaded Total Domains: 1 Bonded Atoms: 1 Lone Pairs: 0 Molecular Shape: Linear Electron Geometry: Linear In the document I scanned and uploaded

PCl 3 In the document I scanned and uploaded Total Domains: 4 Bonded Atoms: 3 Lone Pairs: 1 Molecular Shape: Trigonial pryamind Electron Geometry: Tetrahedral In the document I scanned and uploaded CH 3 Br In the document I scanned and uploaded Total Domains: 4 Bonded Atoms: 4 Lone Pairs: 0 Molecular Shape: Tetrahedral Electron Geometry: Tetrahedral In the document I scanned and uploaded Your Own Molecule In the document I scanned and uploaded Total Domains: 4 Bonded Atoms: 4 Lone Pairs: 0 Molecular Shape: Tetrahedral Electron Geometry: Tetrahedral In the document I scanned and uploaded 1. How do models help scientists predict and describe the structure of molecules? By providing a visual picture of how molecules would appear and are grouped in three dimensions, models aid scientists in predicting and describing the structure of molecules . 2. How might the structure of molecules help scientists determine how they interact with other molecules? This makes surface characteristics, function groups, and molecular behavior visible to scientists. This clarifies it and highlights these characteristics.

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