Search found 55 matches
- Tue Dec 15, 2020 10:40 am
- Forum: Lewis Structures
- Topic: Octet rule
- Replies: 12
- Views: 119
Re: Octet rule
Thank you for the post!
- Tue Dec 15, 2020 10:40 am
- Forum: Quantum Numbers and The H-Atom
- Topic: n=6,l=5
- Replies: 6
- Views: 98
Re: n=6,l=5
Yes! l =<(n-1)
- Tue Dec 15, 2020 10:38 am
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Determining an orbital
- Replies: 10
- Views: 95
Re: Determining an orbital
The l quantum number will determine the subshell.
- Tue Dec 15, 2020 10:36 am
- Forum: DeBroglie Equation
- Topic: p
- Replies: 19
- Views: 173
Re: p
p is the momentum!
- Tue Dec 15, 2020 10:33 am
- Forum: Hybridization
- Topic: Double Pi Bonds
- Replies: 6
- Views: 78
Re: Double Pi Bonds
This is a great question! I was wondering.
- Tue Dec 15, 2020 10:32 am
- Forum: Determining Molecular Shape (VSEPR)
- Topic: axial/equatorial
- Replies: 5
- Views: 59
Re: axial/equatorial
Thank you for the info!
- Sun Dec 06, 2020 11:21 am
- Forum: Biological Examples
- Topic: Hemoglobin vs. Myoglobin
- Replies: 29
- Views: 256
Re: Hemoglobin vs. Myoglobin
Myoglobin transports oxygen in muscle cells, while hemoglobin transports oxygen in blood!
- Sun Dec 06, 2020 11:20 am
- Forum: Shape, Structure, Coordination Number, Ligands
- Topic: coordination number
- Replies: 13
- Views: 80
Re: coordination number
THank you for the info I was confused!
- Sun Dec 06, 2020 11:18 am
- Forum: Hybridization
- Topic: How to simply determine hybridization
- Replies: 27
- Views: 217
Re: How to simply determine hybridization
Count the number of bonds and think about the hybridization that allows for the same number of bonds will help determine!
- Sun Dec 06, 2020 11:12 am
- Forum: Properties & Structures of Inorganic & Organic Acids
- Topic: pH Chart
- Replies: 16
- Views: 125
Re: pH Chart
I don't think we need to memorize the whole chart.
- Sun Dec 06, 2020 11:10 am
- Forum: Acidity & Basicity Constants and The Conjugate Seesaw
- Topic: Water Properties
- Replies: 5
- Views: 129
Re: Water Properties
Amphoteric refers to molecules that are both acidic and basic, while amphiprotic molecules are which can both donate and receive H+ ions.
- Sun Dec 06, 2020 11:07 am
- Forum: Administrative Questions and Class Announcements
- Topic: Chem 14A Final
- Replies: 21
- Views: 199
Re: Chem 14A Final
I believe he mentioned quantum unit would be distributed the most.
- Sun Nov 29, 2020 9:03 pm
- Forum: Hybridization
- Topic: hybridization, but very simple
- Replies: 9
- Views: 54
Re: hybridization, but very simple
Just count groups of bonds and lone pairs will help determine that!
- Sun Nov 29, 2020 9:02 pm
- Forum: Hybridization
- Topic: delocalized pi bonds
- Replies: 15
- Views: 82
Re: delocalized pi bonds
Thank you for the post!
- Sun Nov 29, 2020 9:00 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: ions
- Replies: 8
- Views: 86
Re: ions
Thank you for the information! I was confused before reading this post either.
- Sun Nov 29, 2020 8:59 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Polar
- Replies: 10
- Views: 93
Re: Polar
The type of atoms in a molecule and its shape are factors that determine whether a molecule is polar or nonpolar.
- Sun Nov 29, 2020 8:58 pm
- Forum: Determining Molecular Shape (VSEPR)
- Topic: Sapling #17
- Replies: 10
- Views: 107
Re: Sapling #17
None of the three structures are resonance structures of one another since they have different connectivities.
- Sun Nov 22, 2020 4:38 am
- Forum: Administrative Questions and Class Announcements
- Topic: Week 7 Sapling
- Replies: 12
- Views: 190
Re: Week 7 Sapling
We have a sapling assignment for week 7 and 8 that will be due Sunday of midnight week 8.
- Sun Nov 22, 2020 4:33 am
- Forum: Ionic & Covalent Bonds
- Topic: Polar/ Nonpolar
- Replies: 23
- Views: 180
Re: Polar/ Nonpolar
It might be also okay to use electronegativity calculation to determine if polar or nonpolar.
- Sun Nov 22, 2020 4:32 am
- Forum: Lewis Acids & Bases
- Topic: How do I calculate expanded valence electrons?
- Replies: 3
- Views: 46
How do I calculate expanded valence electrons?
I've got a question on Cl3- on midterm and I have no idea how to solve it.
- Sun Nov 22, 2020 4:29 am
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: shielding and penetrating
- Replies: 5
- Views: 92
Re: shielding and penetrating
Thank you for the information! It really helps!
- Sun Nov 22, 2020 4:22 am
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: What are orbitals?
- Replies: 10
- Views: 142
Re: What are orbitals?
An atomic orbital is a mathematical function describing the location and wave-like behavior of an electron in an atom.
- Sun Nov 22, 2020 4:12 am
- Forum: Wave Functions and s-, p-, d-, f- Orbitals
- Topic: Effective Nuclear Charge
- Replies: 3
- Views: 63
Re: Effective Nuclear Charge
Because the shielding effect of negatively charged electrons prevents higher orbital electrons from experiencing the full nuclear charge.
- Mon Nov 16, 2020 3:09 am
- Forum: Lewis Structures
- Topic: Lewis acids and bases
- Replies: 23
- Views: 130
Re: Lewis acids and bases
Acids accept e- while bases are those that donate e-! Drawing out the lewis structure helps!
- Mon Nov 16, 2020 3:06 am
- Forum: Ionic & Covalent Bonds
- Topic: Hydrogen Bonding
- Replies: 13
- Views: 89
Re: Hydrogen Bonding
N, O and F are all small and highly electronegative, while hydrogen is suitable for strong covalent/hydrogen bond.
- Mon Nov 16, 2020 3:04 am
- Forum: Administrative Questions and Class Announcements
- Topic: Nomenclature on Midterm
- Replies: 5
- Views: 51
Re: Nomenclature on Midterm
Thank you for the information!
- Mon Nov 16, 2020 3:02 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm 2 Question
- Replies: 12
- Views: 151
Re: Midterm 2 Question
I believe he said in the latest email that we will only have zoom on our second device.
- Mon Nov 16, 2020 3:01 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm 2
- Replies: 23
- Views: 139
Re: Midterm 2
It's still 56 minutes, with 5-10 mins for preparation.
- Sun Nov 08, 2020 10:43 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm 1
- Replies: 5
- Views: 52
Re: Midterm 1
Thanks for the information!
- Sun Nov 08, 2020 10:42 am
- Forum: Administrative Questions and Class Announcements
- Topic: Second Midterm Date
- Replies: 9
- Views: 73
Re: Second Midterm Date
Thanks for the information!
- Sun Nov 08, 2020 10:39 am
- Forum: Administrative Questions and Class Announcements
- Topic: Acids & Bases in MT2?
- Replies: 4
- Views: 21
Re: Acids & Bases in MT2?
Thank you for sharing! I was wondering too.
- Sun Nov 08, 2020 10:37 am
- Forum: Administrative Questions and Class Announcements
- Topic: CHEM 14B Class Structure
- Replies: 2
- Views: 31
Re: CHEM 14B Class Structure
Hello! I heard it would be asynchronous. As long as we are adopting online education, I believe the lectures would be mostly recorded.
- Sun Nov 08, 2020 10:33 am
- Forum: Administrative Questions and Class Announcements
- Topic: MIDTERM 2 Textbook Sections
- Replies: 6
- Views: 40
Re: MIDTERM 2 Textbook Sections
I believe Professor will send out a handout indicating the textbook sections just like the one he sent before midterm 1.
- Sun Nov 08, 2020 10:29 am
- Forum: Administrative Questions and Class Announcements
- Topic: Is CCLE Down?
- Replies: 5
- Views: 24
Re: Is CCLE Down?
Hi! Try to connect the UCLA vpn. It sometimes works for me!
- Sat Oct 31, 2020 10:28 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Sapling Access Code
- Replies: 5
- Views: 62
Re: Sapling Access Code
Hi! Just keep e-mailing the store and they would send you the code!
- Sat Oct 31, 2020 10:25 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Audio-Visual Focus Topics
- Replies: 14
- Views: 103
Re: Audio-Visual Focus Topics
Thank you for this post! I was wondering too.
- Sat Oct 31, 2020 10:24 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Way to search posts for similarity?
- Replies: 9
- Views: 68
Re: Way to search posts for similarity?
Thank you for asking this question! I was wondering too.
- Sat Oct 31, 2020 10:23 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Practice Exams
- Replies: 8
- Views: 105
Re: Practice Exams
I think going to those workshops and step-up sessions really help as they provide practice exercises!
- Sat Oct 31, 2020 10:22 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm Scores
- Replies: 4
- Views: 64
Re: Midterm Scores
I think it would come out sometime early next week!
- Sun Oct 25, 2020 11:23 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm calculator policy
- Replies: 10
- Views: 92
Re: Midterm calculator policy
I don't think there are any restrictions on the calculator, but I think a scientific calculator works best for a chem exam!
- Sun Oct 25, 2020 11:20 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Even Solutions to Textbook Questions
- Replies: 3
- Views: 35
Re: Even Solutions to Textbook Questions
I don't think there are solutions for even-numbered questions. But I believe you can definitely ask your TA for unsure questions!
- Sun Oct 25, 2020 11:17 pm
- Forum: Administrative Questions and Class Announcements
- Topic: Trouble Accessing Textbook
- Replies: 1
- Views: 15
Re: Trouble Accessing Textbook
Hi there! I've encountered a similar problem. Try log out and log in again. Sometimes it is just a temporary error with the website.
- Sun Oct 25, 2020 11:14 pm
- Forum: Administrative Questions and Class Announcements
- Topic: is an iPad compatible with respondus
- Replies: 1
- Views: 9
Re: is an iPad compatible with respondus
Hi there. I think as long as you have respondus and zoom with your iPad, it should work!
- Fri Oct 23, 2020 1:45 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm Review Workshops
- Replies: 3
- Views: 126
Re: Midterm Review Workshops
Hello, Dr. Lavelle has emphasized that there will not be much material on this upcoming midterm and there are 102 hours of assistance outside of lecture for students to prepare for the upcoming midterm. That being said, he does not see the need to have any midterm review sessions. However, please a...
- Sun Oct 18, 2020 11:36 am
- Forum: Administrative Questions and Class Announcements
- Topic: Calculator?
- Replies: 9
- Views: 106
Re: Calculator?
Thank you for bring up this question! Haven't touched my Ti-84 after graduating from high school so I bet I need to review it ASAP.
- Sun Oct 18, 2020 11:35 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm Multiple Choice Format
- Replies: 6
- Views: 76
Re: Midterm Multiple Choice Format
I believe they would give more information on midterms this week! Everything goes so fast that I'm getting overwhelmed.
- Sun Oct 18, 2020 11:28 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm Exam Format
- Replies: 14
- Views: 98
Re: Midterm Exam Format
I believe it would be fully MCQs.
- Sun Oct 18, 2020 11:21 am
- Forum: Administrative Questions and Class Announcements
- Topic: wavelengths for light
- Replies: 9
- Views: 94
Re: wavelengths for light
I think the shortest wavelength and the longest one are more likely to be tested, so I'll definitely try to remember those two!
- Sun Oct 18, 2020 11:13 am
- Forum: Administrative Questions and Class Announcements
- Topic: UCLA Store Updates on Ebook/Sapling access card
- Replies: 16
- Views: 153
Re: UCLA Store Updates on Ebook/Sapling access card
Hi! I believe you can email them to send you the sapling code. I did so as I am currently in another country. Just send them (textonline@asucla.ucla.edu) your order number and ask for the code. They replied pretty soon. Hope this helps!
- Sun Oct 11, 2020 9:48 am
- Forum: Administrative Questions and Class Announcements
- Topic: Midterm(s?)
- Replies: 6
- Views: 58
Re: Midterm(s?)
Halle Villalobos 3C wrote:Hi! You also should've recently received an email from your TA with a download link to the program Respondus which is a locked browser we will use for quizzes and midterms.
Hi! I enrolled in the class on last Thursday and I didn't see that email. When's the email sent? Thank you!
- Sun Oct 11, 2020 9:45 am
- Forum: Administrative Questions and Class Announcements
- Topic: Homework Due Time
- Replies: 8
- Views: 51
Re: Homework Due Time
Hi I'm pretty sure assignments are both due on Sunday midnight pst. Be careful with time zone calculations if you are in certain situations...
- Sun Oct 11, 2020 9:31 am
- Forum: Administrative Questions and Class Announcements
- Topic: Homework
- Replies: 6
- Views: 52
Re: Homework
Hi! I believe sapling is our only weekly assignment, but you can practice for your benefits for sure!!
- Sun Oct 11, 2020 9:28 am
- Forum: Administrative Questions and Class Announcements
- Topic: Drop some helpful Youtube lessons!
- Replies: 2
- Views: 18
Drop some helpful Youtube lessons!
Hi guys. It's been a long time since I last studied chemistry so I found I've forgotten some basic concepts. Please drop some concise and helpful Youtube lessons if you have watched any! Thank you!!
- Sun Oct 11, 2020 9:25 am
- Forum: Administrative Questions and Class Announcements
- Topic: Periodic Table
- Replies: 2
- Views: 30
Re: Periodic Table
Personally I would keep decimal places for calculation, and then round the calculated result in the end, but I believe for common elements like H, C, O, keeping 1, 12, 16 is fine.
- Sun Oct 11, 2020 9:18 am
- Forum: Accuracy, Precision, Mole, Other Definitions
- Topic: Calculating number of moles of an element
- Replies: 10
- Views: 85
Re: Calculating number of moles of an element
I think 100g works the best for most cases since it makes the numbers much simpler.