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Organic Chemistry
How To Predict Molecular Geometry: VSEPR model
How To Predict Molecular Geometry: VSEPR model ** We can predict the arrangement of atoms in molecules and…
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Organic Chemistry
Important concepts in Hybridization That Come from Quantum Mechanics
Important concepts in Hybridization (1) An atomic orbital (AO) corresponds to a region of space about the nucleus of a single…
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Organic Chemistry
The Structure of Ethyne (Acetylene): sp Hybridization
The Structure of Ethyne (Acetylene): sp Hybridization ** Hydrocarbons in which two carbon atoms share three pairs of electrons between…
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Physical Chemistry
Half-life time and radioactive decay: Equations, Calculations
– In this subject, we will discuss the Half-life time and radioactive decay: Equations, Calculations Rate of radioactive decay –…
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Organic Chemistry
The Structure of Ethene (Ethylene): sp2 Hybridization
The Structure of Ethene (Ethylene): sp2 Hybridization ** The carbon atoms of many of the molecules that we…
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Physical Chemistry
Radioactive Disintegration Series: Definition, Examples
– In this subject, we will discuss the Radioactive Disintegration Series: Definition, Examples Radioactivity – Several elements such as uranium…
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Organic Chemistry
The Structure of Methane and Ethane: sp3 Hybridization
** The (s) and (p) orbitals used in the quantum mechanical description of the carbon atom, were based…
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Organic Chemistry
Resonance Theory
Introduction to Resonance (Resonance in carbonate ion (CO32-) ** Often more than one equivalent Lewis structure can be…
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Analytical Chemistry
Percent Composition of Compounds
Percent Composition of Compounds **As we have seen, the formula of a compound tells us the numbers of atoms…
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Organic Chemistry
How to write and interpret Structural Formulas?
** Organic chemists use a variety of formats to write structural formulas. ** Structural Formulas are written…
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Physical Chemistry
Radioactive decay: Definition, Types, Examples
– In this subject, we will discuss the Radioactive decay: Definition, Types, Examples Types of Radioactive Decay – According to…
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Physical Chemistry
Radioactivity: Detection and Measurement
– In this subject, we will discuss the Detection and measurement of Radioactivity. Detection and measurement of Radioactivity – Radioactivity…
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General Chemistry
The Molecular Mass and The Mass Spectrometer
Molecular Mass ** If we know the atomic masses of the component atoms, we can calculate the mass of…
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General Chemistry
Avogadro’s Number and the Molar Mass of an Element
Avogadro’s Number (NA) ** Atomic mass units provide a relative scale for the masses of the elements. ** But because…
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General Chemistry
Atomic Mass and Average Atomic Mass: Definition, Calculation
– In this subject, we will discuss the Atomic Mass and Average Atomic Mass: Definition, Formula, and Calculation Atomic Mass…
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Physical Chemistry
Types of Radiations and its properties
Nuclear reaction ** A nuclear reaction is different from a chemical reaction. ** In a chemical reaction, atoms…
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Organic Chemistry
Formal Charge: Definition, Formula, Calculation, Examples
– In this subject, we will discuss the Formal Charge: Definition, Formula, Calculation, Examples Formal Charge and How To Calculate…
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General Chemistry
Lewis Structures: Definition, Structural Formula, Examples
– In this subject, we will discuss the Lewis Structures: Definition, Overview, Structural Formula, Examples Definition of Lewis structures –…
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General Chemistry
Nomenclature of Acids, Bases and Hydrates
– In this subject, we will discuss the Nomenclature of Acids, Bases and Hydrates Nomenclature of Acids – An acid…
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General Chemistry
Nomenclature of Molecular Compounds
How to Name Molecular Compounds – Unlike ionic compounds, Molecular compounds contain discrete molecular units. – They are usually composed…
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