Search found 35 matches
- Sun Jun 10, 2018 10:59 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Hybridization
- Replies: 7
- Views: 860
Re: Hybridization
This was very helpful thank you
Naming
what are the bond angles for pentagona bipyramidal
- Sun Jun 10, 2018 10:53 pm
- Forum: *Molecular Orbital Theory (Bond Order, Diamagnetism, Paramagnetism)
- Topic: equation
- Replies: 1
- Views: 376
equation
.
- Sun Jun 10, 2018 10:47 pm
- Forum: Hybridization
- Topic: Chapter 4 [ENDORSED]
- Replies: 4
- Views: 619
Chapter 4 [ENDORSED]
what makes a vsper shape polar or non polar?
- Sun Jun 03, 2018 11:52 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: Hybridization
- Replies: 7
- Views: 860
Hybridization
Are we suppost to memorize the hybridization of each shape or how do I figure it out?
- Sun Jun 03, 2018 11:50 pm
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: pi and sigma bonds
- Replies: 3
- Views: 623
pi and sigma bonds
I am not too sure their significance in hybridization orbitals
- Sun Jun 03, 2018 11:49 pm
- Forum: Naming
- Topic: Coordination compound
- Replies: 6
- Views: 923
Re: Coordination compound
is the product of a Lewis acid-base reaction in which neutral molecules or anions (called ligands) bond to a central metal atom (or ion)
- Sun May 27, 2018 10:44 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Bond angle
- Replies: 9
- Views: 1022
Bond angle
how do lone pairs affect bond angles?
- Wed May 23, 2018 2:41 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Bond Angle
- Replies: 10
- Views: 1166
Re: Bond Angle
You just said in class "These are found experimentally. You will not have to memorize"
- Wed May 23, 2018 2:36 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Bond Angle
- Replies: 10
- Views: 1166
Bond Angle
What determines the angle of the bonds in a molecule?
- Wed May 23, 2018 11:00 am
- Forum: Octet Exceptions
- Topic: Exoanding
- Replies: 1
- Views: 389
Exoanding
I was under the impression octet expansions fall under the d orbitals but during an HW problem, Cl was able to expand its octet. I guess my question is what constitutes the octet expansion?
- Wed May 23, 2018 10:57 am
- Forum: Resonance Structures
- Topic: Ionic character
- Replies: 3
- Views: 900
Ionic character
I get these scrambled is it that they have a small radius that they have more ionic character or less?
- Wed May 23, 2018 7:59 am
- Forum: Octet Exceptions
- Topic: Lattice energy
- Replies: 1
- Views: 333
Lattice energy
There is an example in the book about identifying the greater lattice energy?
it said the ionic radius of NaCl is less but what does that have to do with lattice energy?
it said the ionic radius of NaCl is less but what does that have to do with lattice energy?
- Sun May 13, 2018 10:28 pm
- Forum: Polarisability of Anions, The Polarizing Power of Cations
- Topic: Bonds
- Replies: 4
- Views: 710
Bonds
Why are multiple bonds shorter than the single bonds?
- Sun May 13, 2018 10:23 pm
- Forum: Polarisability of Anions, The Polarizing Power of Cations
- Topic: Bond Dissociation
- Replies: 2
- Views: 397
Bond Dissociation
Why does the bond weaken in the change from a triple bond in N2 to single bond in F2?
- Sun May 13, 2018 10:18 pm
- Forum: Polarisability of Anions, The Polarizing Power of Cations
- Topic: Polarization
- Replies: 2
- Views: 425
Polarization
Why does the electron cloud of the anion get distorted?
- Sun May 06, 2018 10:20 pm
- Forum: Ionic & Covalent Bonds
- Topic: Vacuum
- Replies: 1
- Views: 265
Vacuum
I saw the back cover for the constant but I'm still not sure why there is an importance to it
they describe epsilon zero
z1 and z2 and e
but not permittivity
they describe epsilon zero
z1 and z2 and e
but not permittivity
- Sun May 06, 2018 10:15 pm
- Forum: Ionic & Covalent Bonds
- Topic: Covalent vs. Ionic
- Replies: 3
- Views: 512
Re: Covalent vs. Ionic
Thank you that really helped
both of you
both of you
- Sun May 06, 2018 10:14 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic Bond formation
- Replies: 5
- Views: 616
Re: Ionic Bond formation
Susu Le 1F wrote:That energy is required to overcome the effective nuclear charge that is acting on the electron.
SORRY I still do not understand
- Sun May 06, 2018 9:31 pm
- Forum: Ionic & Covalent Bonds
- Topic: Ionic Bond formation
- Replies: 5
- Views: 616
Ionic Bond formation
when you add the electron to Calcium the energy required is 494
where is that number found?
what constitutes as required a cation needing to push an electron or is that released because of the electron leaves?
where is that number found?
what constitutes as required a cation needing to push an electron or is that released because of the electron leaves?
- Sun May 06, 2018 9:06 pm
- Forum: Ionic & Covalent Bonds
- Topic: Covalent vs. Ionic
- Replies: 3
- Views: 512
Covalent vs. Ionic
In the book, ionic bonds are the transfer of electrons then it says covalent bonds share electrons.
Why do they have such a big difference don't they share either way?
Why do they have such a big difference don't they share either way?
- Sat Apr 28, 2018 10:55 pm
- Forum: Electron Configurations for Multi-Electron Atoms
- Topic: Hund's Rule [ENDORSED]
- Replies: 6
- Views: 1165
Hund's Rule [ENDORSED]
I keep re reading "due to electron repulsion electrons in the same subshell occupy different orbitals with parallel spins (lowest energy)"
But I do not entirely know what it means
But I do not entirely know what it means
- Sat Apr 28, 2018 9:59 pm
- Forum: Quantum Numbers and The H-Atom
- Topic: H-atom
- Replies: 1
- Views: 198
H-atom
why can hydrogen spin either -1/2 or +1/2
- Sat Apr 28, 2018 9:41 pm
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: The N in l,n,m [ENDORSED]
- Replies: 2
- Views: 237
The N in l,n,m [ENDORSED]
in the book, n is the quantum number, related to size and energy
How does it relate to orbitals?
How does it relate to orbitals?
- Mon Apr 23, 2018 1:04 am
- Forum: Administrative Questions and Class Announcements
- Topic: Homework
- Replies: 2
- Views: 360
Re: Homework
so we stick to ch.1 and chapter2
- Sun Apr 22, 2018 8:47 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Homework
- Replies: 2
- Views: 360
Homework
For this weeks homework do we do chapter 3 set of problems
- Sun Apr 22, 2018 8:43 pm
- Forum: *Shrodinger Equation
- Topic: Schrodinger Equation
- Replies: 2
- Views: 295
Schrodinger Equation
Is Atomic number Z a constant used to be able to see other elements besides Hydrogen atoms
- Sun Apr 22, 2018 8:35 pm
- Forum: *Shrodinger Equation
- Topic: Schrodinger Equation
- Replies: 1
- Views: 318
Schrodinger Equation
Which one is the SE equation V(r)= or En=
The book gives those but I am not sure how they are related?
The book gives those but I am not sure how they are related?
- Sun Apr 22, 2018 8:12 pm
- Forum: *Shrodinger Equation
- Topic: ch.2.1
- Replies: 5
- Views: 559
ch.2.1
I don't get the very first sentence, " An electron in an atom is like a particle in a box, in the sense that it is confined within the atom by the pull of the nucleus "
How are e- confined?
How are e- confined?
- Sun Apr 15, 2018 9:42 pm
- Forum: Properties of Light
- Topic: The Electromagnetic spectrum
- Replies: 5
- Views: 494
The Electromagnetic spectrum
Do we have to memorize the spectrum if not how do we calculate its energy in order?
- Sun Apr 15, 2018 9:30 pm
- Forum: *Particle in a Box
- Topic: example 1.8
- Replies: 1
- Views: 542
example 1.8
in this example, I am unclear what exactly the formula is to be used in these situations? What exactly are we trying to find?
- Sun Apr 15, 2018 9:02 pm
- Forum: Heisenberg Indeterminacy (Uncertainty) Equation
- Topic: Using the uncertainty principle [ENDORSED]
- Replies: 2
- Views: 431
Using the uncertainty principle [ENDORSED]
In using the uncertainty principle in the textbook why did they replace h as 1.05457x10^-34
in example 1.7
in example 1.7
- Sun Apr 15, 2018 8:11 pm
- Forum: *Black Body Radiation
- Topic: Example 1.3 in the textbook
- Replies: 3
- Views: 690
Example 1.3 in the textbook
We were only shown Weins law but will we use Stefan-Boltzmann
law Total intensity=constant xT^4
When will this concept come up? Can someone explain to me why T^4
law Total intensity=constant xT^4
When will this concept come up? Can someone explain to me why T^4
- Sun Apr 15, 2018 8:02 pm
- Forum: Photoelectric Effect
- Topic: Example 1.5 in the textbook [ENDORSED]
- Replies: 2
- Views: 404
Example 1.5 in the textbook [ENDORSED]
Why is it that after finding the frequency we divide it by plancks constant to then put it in the speed of light equation (wavelength= speed of light/frequency.
- Wed Apr 11, 2018 2:30 pm
- Forum: Empirical & Molecular Formulas
- Topic: Empirical Formula
- Replies: 2
- Views: 587
Empirical Formula
The Molar mass is 84g.mol and its empirical Formula is CH2. What is its Molecular Formula?
I'm not sure how to start but I understand the process?
I'm not sure how to start but I understand the process?