CHEMICAL BONDING Chemistry 2045 Assignment Help

FYI: Tutor with a chemistry degree preferred (not required).

Hello, 

I have an exam for gen chemistry 2045 (General College Chemistry for science majors) coming up on 7/26/16. It is on the following subjects below. I would like to have a crash study-guide, that contains the most important concepts, in a summarized manner for the subjects below. I would like the study guide to be condensed, and contain information that is both practical and conceptual, that is most likely to be asked on an exam. Also, I would for example problems to be worked out, in a step-by-step manner. Please keep in mind that this class is taken during a mini semester at a community college. 

1. CHEMICAL BONDING

▶Understand and effectively use the periodic table

▶Discuss chemical periodicity of the following 

physical properties:

 Atomic radii

Ionization energy

Electron affinity

Ionic radii

Electronegativity

Oxidation state

▶Assign oxidation states to elements 

when they are free, in compounds, or ions

▶Describe chemical periodicity in the 

reactions of 

 Hydrogen

Oxygen

▶Describe chemical periodicity in the 

compounds of

 Hydrogen

Oxygen

Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.. Chemistry (Page 174). Cengage Textbook. Kindle Edition. 

2. CHEMICAL BONDING

▶Write Lewis dot representations of atoms

▶Predict whether bonding between specified elements will 

be primarily ionic, nonpolar covalent, or polar covalent

▶Compare and contrast characteristics of ionic and covalent 

compounds

▶Describe how the properties of compounds depend on 

their bonding

▶Describe how the elements bond by electron transfer 

(ionic bonding)

▶Describe energy relationships in ionic compounds

▶Predict the formulas of ionic compounds

▶Describe how elements bond by sharing electrons 

(covalent bonding)

▶Write Lewis dot and dash formulas for molecules and 

polyatomic ions

▶Recognize exceptions to the octet rule

▶Write formal charges for atoms in covalent structures

▶Describe resonance, and know when to write resonance 

structures and how to do so

▶Relate the nature of bonding to electronegativity 

differences

Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.. Chemistry (Page 250). Cengage Textbook. Kindle Edition. 

3. Molecular Structure and Covalent Bonding Theories

▶Describe the basic ideas of the valence shell electron pair 

repulsion (VSEPR) theory

▶Use the VSEPR theory to predict the electronic geometry 

and the molecular geometry of polyatomic molecules 

and ions

▶Describe the relationships between molecular shapes and 

polarities

▶Predict whether a molecule is polar or nonpolar

▶Describe the basic ideas of the valence bond (VB) theory

▶Describe the hybrid orbitals used in bonding in 

polyatomic molecules and ions

▶Use the theory of hybrid orbitals to describe the bonding 

in double and triple bonds

Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.. Chemistry (Page 288). Cengage Textbook. Kindle Edition. 

4.Molecular Orbitals in Chemical Bonding

▶Describe the basic concepts of molecular orbital theory

▶Relate the shapes and overlap of atomic orbitals to the 

shapes and energies of the resulting molecular orbitals

▶Distinguish among bonding, antibonding, and nonbonding orbitals

▶Apply the Aufbau Principle to find molecular orbital descriptions for homonuclear diatomic molecules and ions

▶Apply the Aufbau Principle to find molecular orbital 

descriptions for heteronuclear diatomic molecules and 

ions with small D(EN) values

▶Find the bond order in diatomic molecules and ions

▶Relate bond order to bond stability

▶Use the MO concept of delocalization for molecules for 

which valence bond theory would postulate resonance

Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.. Chemistry (Page 330). Cengage Textbook. Kindle Edition. 

5. Reactions in Aqueous Solutions I: Acids, Bases,and Salts

▶ Describe the Arrhenius theory of acids and bases

▶ Describe hydrated hydrogen ions

▶ Describe the Brønsted–Lowry theory of acids and bases

▶ List properties of aqueous solutions of acids

▶ List properties of aqueous solutions of bases

▶ Arrange binary acids in order of increasing strength

▶ Arrange ternary acids in order

of increasing strength

▶ Describe the Lewis theory of acids and bases

▶ Complete and balance equations for acid–base reactions

▶ Define acidic and basic salts

▶ Explain amphoterism

▶ Describe methods for preparing acids

Whitten, Kenneth W.; Davis, Raymond E.; Peck, Larry; Stanley, George G.. Chemistry (Page 348). Cengage Textbook. Kindle Edition. 

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