Multiple Choice
In the Lewis structure of NH3, what is the formal charge of the nitrogen atom?
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Table of contents
- 1. Intro to General Chemistry
- Classification of Matter
- Physical & Chemical Changes
- Chemical Properties
- Physical Properties
- Intensive vs. Extensive Properties
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- Scientific Notation
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- Metric Prefixes
- Significant Figures
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- Dimensional Analysis
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- 2. Atoms & Elements
- The Atom
- Subatomic Particles
- Isotopes
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- Atomic Mass
- Periodic Table: Classifications
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- Periodic Table: Representative Elements & Transition Metals
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- Calculating Molar Mass
- Mole Concept
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- Polyatomic Ions
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- 10. Periodic Properties of the Elements
- The Electron Configuration
- The Electron Configuration: Condensed
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- 11. Bonding & Molecular Structure
- Lewis Dot Symbols
- Chemical Bonds
- Dipole Moment
- Octet Rule
- Formal Charge
- Lewis Dot Structures: Neutral Compounds
- Lewis Dot Structures: Sigma & Pi Bonds
- Lewis Dot Structures: Ions
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- Resonance Structures
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- 12. Molecular Shapes & Valence Bond Theory
- 13. Liquids, Solids & Intermolecular Forces
- 14. Solutions
- Solutions: Solubility and Intermolecular Forces
- Molality
- Parts per Million (ppm)
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- Types of Aqueous Solutions
- Intro to Henry's Law
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- The Colligative Properties
- Boiling Point Elevation
- Freezing Point Depression
- Osmosis
- Osmotic Pressure
- Vapor Pressure Lowering (Raoult's Law)
- 15. Chemical Kinetics
- 16. Chemical Equilibrium
- 17. Acid and Base Equilibrium
- Acids Introduction
- Bases Introduction
- Binary Acids
- Oxyacids
- Bases
- Amphoteric Species
- Arrhenius Acids and Bases
- Bronsted-Lowry Acids and Bases
- Lewis Acids and Bases
- The pH Scale
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- Ka and Kb
- pH of Strong Acids and Bases
- Ionic Salts
- pH of Weak Acids
- pH of Weak Bases
- Diprotic Acids and Bases
- Diprotic Acids and Bases Calculations
- Triprotic Acids and Bases
- Triprotic Acids and Bases Calculations
- 18. Aqueous Equilibrium
- Intro to Buffers
- Henderson-Hasselbalch Equation
- Intro to Acid-Base Titration Curves
- Strong Titrate-Strong Titrant Curves
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- Acid-Base Indicators
- Titrations: Weak Acid-Strong Base
- Titrations: Weak Base-Strong Acid
- Titrations: Strong Acid-Strong Base
- Titrations: Diprotic & Polyprotic Buffers
- Solubility Product Constant: Ksp
- Ksp: Common Ion Effect
- Precipitation: Ksp vs Q
- Selective Precipitation
- Complex Ions: Formation Constant
- 19. Chemical Thermodynamics
- 20. Electrochemistry
- 21. Nuclear Chemistry
- Intro to Radioactivity
- Alpha Decay
- Beta Decay
- Gamma Emission
- Electron Capture & Positron Emission
- Neutron to Proton Ratio
- Band of Stability: Alpha Decay & Nuclear Fission
- Band of Stability: Beta Decay
- Band of Stability: Electron Capture & Positron Emission
- Band of Stability: Overview
- Measuring Radioactivity
- Rate of Radioactive Decay
- Radioactive Half-Life
- Mass Defect
- Nuclear Binding Energy
- 22. Organic Chemistry
- Introduction to Organic Chemistry
- Structural Formula
- Condensed Formula
- Skeletal Formula
- Spatial Orientation of Bonds
- Intro to Hydrocarbons
- Isomers
- Chirality
- Functional Groups in Chemistry
- Naming Alkanes
- The Alkyl Groups
- Naming Alkanes with Substituents
- Naming Cyclic Alkanes
- Naming Other Substituents
- Naming Alcohols
- Naming Alkenes
- Naming Alkynes
- Naming Ketones
- Naming Aldehydes
- Naming Carboxylic Acids
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- Naming Amines
- Naming Benzene
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- Intro to Addition Reactions
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- Alcohol Reactions: Substitution Reactions
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- Intro to Redox Reactions
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- Aldehydes and Ketones Reactions
- Ester Reactions: Esterification
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- Carboxylic Acid Reactions
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- Amide Formation
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- 23. Chemistry of the Nonmetals
- Main Group Elements: Bonding Types
- Main Group Elements: Boiling & Melting Points
- Main Group Elements: Density
- Main Group Elements: Periodic Trends
- The Electron Configuration Review
- Periodic Table Charges Review
- Hydrogen Isotopes
- Hydrogen Compounds
- Production of Hydrogen
- Group 1A and 2A Reactions
- Boron Family Reactions
- Boron Family: Borane
- Borane Reactions
- Nitrogen Family Reactions
- Oxides, Peroxides, and Superoxides
- Oxide Reactions
- Peroxide and Superoxide Reactions
- Noble Gas Compounds
- 24. Transition Metals and Coordination Compounds
- Atomic Radius & Density of Transition Metals
- Electron Configurations of Transition Metals
- Electron Configurations of Transition Metals: Exceptions
- Paramagnetism and Diamagnetism
- Ligands
- Complex Ions
- Coordination Complexes
- Classification of Ligands
- Coordination Numbers & Geometry
- Naming Coordination Compounds
- Writing Formulas of Coordination Compounds
- Isomerism in Coordination Complexes
- Orientations of D Orbitals
- Intro to Crystal Field Theory
- Crystal Field Theory: Octahedral Complexes
- Crystal Field Theory: Tetrahedral Complexes
- Crystal Field Theory: Square Planar Complexes
- Crystal Field Theory Summary
- Magnetic Properties of Complex Ions
- Strong-Field vs Weak-Field Ligands
- Magnetic Properties of Complex Ions: Octahedral Complexes
11. Bonding & Molecular Structure
Formal Charge
Back11. Bonding & Molecular Structure
Formal Charge
- Multiple ChoiceWhen O is the central atom of HCNO, what is the formal charge on the central O atom?2views
- Multiple ChoiceIn the Lewis structure of ClF, what are the formal charges on Cl and F respectively?1views
- Multiple ChoiceIn the structure of PO4^3- with three single bonds and one double bond, what is the formal charge of the phosphorus (P) atom?2views
- Multiple Choice
Based on calculated formal charges, determine the overall charge (net charge) for the following compound.
8views - Multiple ChoiceWhat are the formal charges on the nitrogen atoms in NO2⁻ and NO3⁻?2views