Search found 24 matches

by akroberts
Sun Dec 02, 2018 11:47 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Chelates
Replies: 4
Views: 107

Chelates

Why can chelating ligands bind cations tightly?
by akroberts
Sun Dec 02, 2018 11:45 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Tetrahedral vs. square-planar
Replies: 6
Views: 214

Tetrahedral vs. square-planar

What is the difference between tetrahedral and square-planar complexes?
by akroberts
Sun Dec 02, 2018 11:41 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Ligands that replace H2O ligands
Replies: 1
Views: 68

Ligands that replace H2O ligands

Why are NH3, K+CN-, and Na+Cl- the specific ligands that can replace H2O ligands?
by akroberts
Sun Nov 25, 2018 11:05 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: pi-bonds
Replies: 7
Views: 143

pi-bonds

How can we recognize when a pi-bond is formed?
by akroberts
Sun Nov 25, 2018 10:59 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Types of Lone Pairs
Replies: 2
Views: 61

Types of Lone Pairs

What is the difference between axial and equatorial lone pairs, and do we need to be familiar with these?
by akroberts
Sun Nov 25, 2018 10:57 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Trigonal Shape
Replies: 3
Views: 74

Trigonal Shape

Apart from bond angles, what is the difference between trigonal planar and trigonal pyramidal?
by akroberts
Sun Nov 18, 2018 7:20 pm
Forum: Bond Lengths & Energies
Topic: Lengths of different types of bonds
Replies: 3
Views: 118

Lengths of different types of bonds

Is there generally a difference in length between different types of bonds (single, double, etc.)?
by akroberts
Sun Nov 18, 2018 7:17 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Repulsion Strength
Replies: 2
Views: 79

Repulsion Strength

What do the different types of repulsion strengths (lone-lone, lone-bonding, and bonding-bonding) look like in VSEPR structures?
by akroberts
Sun Nov 18, 2018 7:10 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Determining Shape
Replies: 5
Views: 131

Determining Shape

How do we distinguish between shapes of VSEPR models that have the same number of regions of high e- density? Is it based on the number of lone pairs on the central atom?
by akroberts
Sun Nov 11, 2018 10:39 pm
Forum: Ionic & Covalent Bonds
Topic: Polarizability vs Polarizing Power
Replies: 2
Views: 79

Polarizability vs Polarizing Power

What is the difference between polarizability and polarizing power, and how are they related?
by akroberts
Sun Nov 11, 2018 10:38 pm
Forum: Lewis Structures
Topic: VSEPR Model
Replies: 6
Views: 218

VSEPR Model

What is the significance of using a VSEPR model? Do we mainly use them to determine the shape and angle degree of molecules?
by akroberts
Sun Nov 11, 2018 10:33 pm
Forum: Bond Lengths & Energies
Topic: Calculating Bond Length
Replies: 3
Views: 121

Calculating Bond Length

How do we calculate the bond length from a lewis structure?
by akroberts
Sun Oct 28, 2018 3:00 pm
Forum: *Shrodinger Equation
Topic: H(psi)=E(psi) Equation
Replies: 2
Views: 399

H(psi)=E(psi) Equation

I understand what H and E represent, but how do we apply this equation in problems?
by akroberts
Sun Oct 28, 2018 2:42 pm
Forum: Trends in The Periodic Table
Topic: Removing 2nd e- [ENDORSED]
Replies: 4
Views: 105

Removing 2nd e- [ENDORSED]

Why is it harder to remove the second electron from an atom?
by akroberts
Sun Oct 28, 2018 2:40 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Wave Function Squared
Replies: 2
Views: 119

Wave Function Squared

I understand that the wave function squared represents the probability of finding an e-, but how do we apply that in problem solving?
by akroberts
Sun Oct 21, 2018 9:42 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Nodal Planes
Replies: 3
Views: 99

Nodal Planes

What is the difference between orbitals with and without nodal planes? Is it important to know the difference?
by akroberts
Sun Oct 21, 2018 7:28 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: H-Atom Equation
Replies: 2
Views: 76

H-Atom Equation

Why is h negative in the equation for an H-atom?
by akroberts
Sun Oct 21, 2018 7:21 pm
Forum: *Shrodinger Equation
Topic: Wavelike Properties
Replies: 1
Views: 115

Wavelike Properties

What exactly does in mean when an electron has "wavelike properties"?
by akroberts
Wed Oct 10, 2018 5:26 pm
Forum: Trends in The Periodic Table
Topic: Types of Radii
Replies: 2
Views: 114

Types of Radii

What is the difference between the regular radius, covalent radius, and ionic radius, and how do we apply them?
by akroberts
Wed Oct 10, 2018 5:19 pm
Forum: *Black Body Radiation
Topic: Black Body
Replies: 10
Views: 487

Black Body

What exactly is a black body? What are some examples of what a black body looks like?
by akroberts
Wed Oct 10, 2018 5:15 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: Spectral Line Diagram
Replies: 1
Views: 54

Spectral Line Diagram

Is there an advantage to understanding the spectral line diagram? Or is it just another way to look at the electromagnetic spectrum?
by akroberts
Wed Oct 03, 2018 1:26 pm
Forum: Empirical & Molecular Formulas
Topic: Writing formula from diagram
Replies: 2
Views: 95

Writing formula from diagram

What's the best technique for writing a molecular formula when given a diagram of its structure (exercises F1/2)?
by akroberts
Wed Oct 03, 2018 1:22 pm
Forum: Empirical & Molecular Formulas
Topic: Online Resources
Replies: 2
Views: 109

Online Resources

What are some online resources (maybe similar to crash course?) that could help me get a refresher on high school chem topics?
by akroberts
Wed Oct 03, 2018 1:17 pm
Forum: Molarity, Solutions, Dilutions
Topic: mixtures and separation terminology
Replies: 2
Views: 70

mixtures and separation terminology

Section G mentions vocabulary like crystallization, decanting and filtration. Will we ever see these integrated into problems or do we just need to be familiar with the concepts?

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