Search found 30 matches

by taiyeojeikere-3C
Fri Dec 07, 2018 3:49 pm
Forum: Shape, Structure, Coordination Number, Ligands
Topic: Chelating Compound
Replies: 1
Views: 34

Chelating Compound

What is a chelating compound and how would it appear on the final?
by taiyeojeikere-3C
Fri Dec 07, 2018 3:43 pm
Forum: Polarisability of Anions, The Polarizing Power of Cations
Topic: Polarizability
Replies: 3
Views: 161

Polarizability

How do you determine the polarizability between molecules? For example between I- and Cl2-?
by taiyeojeikere-3C
Fri Dec 07, 2018 3:41 pm
Forum: Conjugate Acids & Bases
Topic: Cojugate Acids and Bases
Replies: 5
Views: 174

Cojugate Acids and Bases

How do you determine conjugate acids and conjugate bases from a regular acid and base?
by taiyeojeikere-3C
Sat Dec 01, 2018 8:50 pm
Forum: Naming
Topic: Ion Placement in Name
Replies: 1
Views: 42

Ion Placement in Name

When transferring the name of a coordination compound to it's chemical formula name, does it matter if the anion is in the front or back of the equation(outside of the parentheses?)
by taiyeojeikere-3C
Sat Dec 01, 2018 8:22 pm
Forum: Naming
Topic: Oxidation State
Replies: 4
Views: 58

Oxidation State

When naming a coordination compound, how do we calculate the oxidation state for the compound when naming it?
by taiyeojeikere-3C
Mon Nov 26, 2018 1:13 pm
Forum: Ionic & Covalent Bonds
Topic: Ionic character
Replies: 1
Views: 64

Ionic character

To determine which molecule has the greater ionic character, are you supposed to base it off of the ionic radius? For example which has a greater ionic character between CH4 or CF4.
by taiyeojeikere-3C
Sat Nov 24, 2018 9:16 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Lewis Structure N2O
Replies: 4
Views: 87

Re: Lewis Structure N2O

Are there any other molecules that are like N2O with N as the central atom?
by taiyeojeikere-3C
Sat Nov 24, 2018 9:12 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Sigma and Pi bonds
Replies: 6
Views: 85

Sigma and Pi bonds

What is the difference between sigma and pi bonds and what does it mean by component orbitals?
by taiyeojeikere-3C
Sat Nov 24, 2018 12:02 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Intermolecular Forces
Replies: 1
Views: 42

Intermolecular Forces

How can you determine the difference between intermolecular forces using shape and polarity?
by taiyeojeikere-3C
Sat Nov 17, 2018 9:53 pm
Forum: Ionic & Covalent Bonds
Topic: polar/nonpolar
Replies: 3
Views: 86

polar/nonpolar

How do you determine which forms of an isomers are polar and have the largest dipole moment?
by taiyeojeikere-3C
Sat Nov 17, 2018 9:42 pm
Forum: Hybridization
Topic: Bond Angles
Replies: 12
Views: 202

Bond Angles

Can you only determine bond angles by drawing the molecular shape of that molecule?
by taiyeojeikere-3C
Sat Nov 17, 2018 9:36 pm
Forum: Determining Molecular Shape (VSEPR)
Topic: Bond Angles
Replies: 3
Views: 106

Bond Angles

How do you determine the different bond angles in an OSCl molecule, and why does it not correspond to the bond angles in an SOCl2 molecule?
by taiyeojeikere-3C
Sat Nov 10, 2018 10:42 pm
Forum: Bond Lengths & Energies
Topic: Molecular Shapes
Replies: 2
Views: 91

Molecular Shapes

Are we only supposed to know the three molecular shapes we learned in lecture on Friday, or are there more?
by taiyeojeikere-3C
Sat Nov 10, 2018 10:40 pm
Forum: Dipole Moments
Topic: Bond Lengths
Replies: 5
Views: 183

Bond Lengths

How do you determine which bonds are which lengths and if they are shorter or longer?
by taiyeojeikere-3C
Sat Nov 10, 2018 3:34 pm
Forum: Bond Lengths & Energies
Topic: Bond Lengths
Replies: 6
Views: 129

Re: Bond Lengths

When drawing Lewis Structures, would the structure be marked incorrect if you don't draw the bonds to have the correct angles like 120 degrees, etc.?
by taiyeojeikere-3C
Sat Nov 03, 2018 12:00 pm
Forum: Bohr Frequency Condition, H-Atom , Atomic Spectroscopy
Topic: H-Atom Calculation
Replies: 2
Views: 150

H-Atom Calculation

Would the calculations, En=-hR/n^2 and -hR((1/n-final^2)-(1/n-initial^2)) give the same results when calculating change in energy levels?
by taiyeojeikere-3C
Fri Nov 02, 2018 10:12 pm
Forum: Lewis Structures
Topic: Radicals
Replies: 3
Views: 60

Radicals

What exactly are radicals and how can we tell what species are radicals?
by taiyeojeikere-3C
Fri Nov 02, 2018 9:42 pm
Forum: Electronegativity
Topic: Electronegativity Calculation
Replies: 5
Views: 107

Electronegativity Calculation

How do we calculate the electronegativity of an atom, or is it something that we have to estimate?
by taiyeojeikere-3C
Sat Oct 27, 2018 11:55 pm
Forum: Ionic & Covalent Bonds
Topic: Ground State
Replies: 6
Views: 141

Re: Ground State

So when looking for the ground state and given a electron such as s2-, I remove two electrons from the last energy level to get the ground state configuration?
by taiyeojeikere-3C
Sat Oct 27, 2018 11:19 pm
Forum: Ionic & Covalent Bonds
Topic: Valence electrons
Replies: 8
Views: 78

Valence electrons

When trying to figure out the amount of valence e- in an atom, are we supposed to figure out the electron configuration first? And is the last shell the valence shell?
by taiyeojeikere-3C
Sat Oct 27, 2018 9:24 pm
Forum: Lewis Structures
Topic: Periodic Table Trends
Replies: 5
Views: 93

Periodic Table Trends

What are the different trends in the periodic table, and how would we be tested on them?
by taiyeojeikere-3C
Fri Oct 19, 2018 9:36 pm
Forum: *Particle in a Box
Topic: HW Problem 1.47
Replies: 1
Views: 226

HW Problem 1.47

Can someone explain what the particle-in-a-box model is (for a hydrogen model and treating the atom as a one-dimensional box pf length 150 pm) , and how would I use it to predict the wavelength of radiation emitted from different energy levels ( a)falls from the level with n 5 to that of n 4 b)same ...
by taiyeojeikere-3C
Fri Oct 19, 2018 1:14 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Cartesian Axes
Replies: 1
Views: 52

Cartesian Axes

Does the Cartesian axes only refer to the axes of the orbitals in a 3D model?
by taiyeojeikere-3C
Mon Oct 15, 2018 11:12 pm
Forum: DeBroglie Equation
Topic: Wavelength question 1.57 (6th edition)
Replies: 1
Views: 48

Wavelength question 1.57 (6th edition)

Is there a calculation to solve the next number in a wavelength in a Balmer series or???
Question: Lines in the Balmer series of the hydrogen spectrum are observed at 656.3, 486.1, 434.0, and 410.2 nm. What is the wavelength of the next line in the series?
by taiyeojeikere-3C
Sun Oct 14, 2018 10:24 pm
Forum: Photoelectric Effect
Topic: Photoelectric effect and atomic spectra difference
Replies: 3
Views: 77

Photoelectric effect and atomic spectra difference

What's the difference between the photoelectric effect and atomic spectra. Both require light to shine on a metal and detect the motion of the electrons. The photoelectric effect tells if the wavelength is small enough to move the electron to the positively charged detector. And does the atomic spec...
by taiyeojeikere-3C
Thu Oct 11, 2018 11:16 pm
Forum: Balancing Chemical Reactions
Topic: Writing Chemical Equations
Replies: 2
Views: 245

Writing Chemical Equations

How do I know how to write a chemical reaction from the name of a compound such as dimethanesulfonate (I looked this up for an example)? Do I focus on the prefix, or is this something that should be obvious from looking at a periodic table?
by taiyeojeikere-3C
Tue Oct 09, 2018 9:43 pm
Forum: Balancing Chemical Reactions
Topic: Homework question M9
Replies: 1
Views: 120

Re: Homework question M9

All you really need to know is how to balance an equation and how to write/balance a chemical equation from the name of the compound.
by taiyeojeikere-3C
Sat Oct 06, 2018 12:16 pm
Forum: Properties of Light
Topic: Chapter 1 Question 1.3
Replies: 3
Views: 63

Chapter 1 Question 1.3

Can someone please explain to me why the answer for #3 When the frequency of electromagnetic radiation decreases... is C) the event of the change in the electrical field at a given point decreases?
by taiyeojeikere-3C
Wed Oct 03, 2018 9:15 pm
Forum: Molarity, Solutions, Dilutions
Topic: Stoichiometry vs. Limiting Reactant
Replies: 1
Views: 51

Stoichiometry vs. Limiting Reactant

Does solving a stoichiometry problem use the same steps as limiting reactant because my notes are a bit confusing on the topic?
by taiyeojeikere-3C
Tue Oct 02, 2018 7:38 pm
Forum: Molarity, Solutions, Dilutions
Topic: Fundamental E.1
Replies: 1
Views: 67

Fundamental E.1

On the problem for fundamental E.1, why does the radius , 144 pm, have to be doubled before I can complete the problem correctly?

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