General Chemistry I

Introduction to Chemistry

‘ide’, followed by the word ion. If we use the element Chlorine as an example, the resulting ion of a nonmetal would be chloride ion. Slide 14 : What are some properties of Ionic Bonds? Some properties of ionic bonds include: - Hard, brittle, crystalline solids at room temperature - High melting and boiling points - Do not conduct as solids - Do conduct when melted or dissolved in water - Most are soluble in water - Called salts Slide 19: What are some properties of Metallic Bonds? Some properties of metallic bonds include - Malleable - can be flattened into thin sheets - Ductile - can be pulled into wire - Bendable/shapeable vs brittle ionic compopunds What are ductility and malleability? Ductile is the property of being able to be pulled into wire and malleability is the property of being able to be flattened into thin sheets.

CHM | 130 | Introduction to Chemistry | study guides | ‘ide’  followed by the word io

ModuleTwoLessonFourMasteryNuclearDecayGizmo.pdf.pdf-Name: Trinity Carpenter Date: Oct 27th

Module 4 Lesson 4 Guided Notes (Covalent naming and Writing formulas) Essential Standards Addressed: 1.2.4 Slide 2 1. Which element is written first? The trend for which element written first goes to the farthest left and the farthest down. 2. What types of prefixes are used to describe the number of atoms? Greek prefixes are used to describe the number of atoms. 3. What do all of the names for covalent molecules end with? All covalent molecules end with Ide 4. Which prefix is never used with the first element? Mono is never used with the first element Slide 3 5. What is the prefix for 2? Di is the prefix for 2 6. What is the prefix for 6? Hexa is the prefix for 6 7. What is the prefix for 10? Deca is the prefix for 10

CHM | 130 | Introduction to Chemistry | study guides | Module 4 Lesson 4 Guided Notes

(Activity B continued on next page) Activity B (continued from previous page) 7. Make a rule: The diagonal rule explains which subshell will be filled next. To follow the diagonal rule, move down along an arrow until you reach the end of the arrow. Then move to the start of the next arrow to the right. A. Which subshell is filled after 4 p ? 5s B. Which subshell is fi

ModuleTwoLessonThreeMasteryElectronConfigurationGizmo.pdf.pdf-Activity B continued on next page)

Module 4 Lesson 5 Guided Notes (Molecular Geometry) Essential Standards Addressed: Slides 2-3 (VSEPR-Valence Shell Electron-Pair Repulsion Theory) 1. What is the main idea behind the VSEPR theory? The main idea behind the VSEPR theory is that valence electrons repel each other. 2. What causes the geometric shapes of molecules? The geometric shapes of molecules are caused by electron pairs when they are as far as possible apart from each other. 3. What is the bond angle for a tetrahedral? 109.5 Degrees 4. Which geometric shape has a bond angle of 180 o ? A linear angle has a bond angle of 180 o Slides 4-5 5. The capital a represents the Central atom. 6. The capital e represents the Nonbinding Electron Pairs . 7. Draw a bent molecule, a (8) linear molecule , a (9) trigonal planar molecule , a (10) trigonal pyramidal molecule and a (11) tetrahedral molecule . (Next Page)

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