Search found 35 matches

by Merin Padayatty 3G
Sun Nov 17, 2019 8:35 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Bent or Angular
Replies: 13
Views: 52

Re: Bent or Angular

Bent and angular are synonymous, but the textbook uses the term "angular."
by Merin Padayatty 3G
Sun Nov 17, 2019 8:33 am
Forum: Determining Molecular Shape (VSEPR)
Topic: seesaw
Replies: 9
Views: 34

Re: seesaw

When a molecule has 4 bonding pairs and 1 lone pair, the shape is seesaw.
by Merin Padayatty 3G
Sun Nov 17, 2019 8:32 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Lone Pairs
Replies: 6
Views: 29

Re: Lone Pairs

The actual shape of the molecule is dependent on the bonding electron pairs.
by Merin Padayatty 3G
Sun Nov 17, 2019 8:30 am
Forum: Determining Molecular Shape (VSEPR)
Topic: Electronegativity
Replies: 5
Views: 17

Re: Electronegativity

You should know the general periodic table trend for electronegativity because it's relevant when drawing Lewis structures.
by Merin Padayatty 3G
Sun Nov 17, 2019 8:27 am
Forum: Determining Molecular Shape (VSEPR)
Topic: What is VSPER
Replies: 14
Views: 104

Re: What is VSPER

VSEPR stands for "valence shell electron pair repulsion" and we don't need to have the acronym memorized.
by Merin Padayatty 3G
Sun Nov 10, 2019 2:16 pm
Forum: Dipole Moments
Topic: Polar
Replies: 9
Views: 31

Re: Polar

A higher difference in electronegativity results in a polar molecule.
by Merin Padayatty 3G
Sun Nov 10, 2019 2:14 pm
Forum: Polarisability of Anions, The Polarizing Power of Cations
Topic: Polarisability vs Polarizing Power
Replies: 15
Views: 56

Re: Polarisability vs Polarizing Power

Smaller cations with a larger effective nuclear charge have a higher polarizing power whereas larger anions are have a higher polarizability.
by Merin Padayatty 3G
Sun Nov 10, 2019 2:11 pm
Forum: Bond Lengths & Energies
Topic: Test 2 Topics
Replies: 39
Views: 208

Re: Test 2 Topics

Test 2 covers what we learn after the midterm.
by Merin Padayatty 3G
Sun Nov 10, 2019 2:10 pm
Forum: Electronegativity
Topic: Periodic Trend
Replies: 13
Views: 54

Re: Periodic Trend

Electronegativity increases up the group and across a period.
by Merin Padayatty 3G
Sun Nov 10, 2019 2:08 pm
Forum: Octet Exceptions
Topic: octet exceptions
Replies: 11
Views: 68

Re: octet exceptions

All elements in period 3 and after can have an expanded octet.
by Merin Padayatty 3G
Sat Nov 02, 2019 10:43 am
Forum: Lewis Structures
Topic: Valence Electrons from Periodic Table
Replies: 10
Views: 63

Re: Valence Electrons from Periodic Table

The number of valence electrons is determined by the group number.
by Merin Padayatty 3G
Sat Nov 02, 2019 10:37 am
Forum: Octet Exceptions
Topic: More than 8 valence e-
Replies: 8
Views: 44

Re: More than 8 valence e-

Why can d orbitals carry extra electrons?
by Merin Padayatty 3G
Sat Nov 02, 2019 10:35 am
Forum: Bond Lengths & Energies
Topic: Single bond vs double bond
Replies: 14
Views: 97

Re: Single bond vs double bond

The Angstrom is the unit that describes bond length. A double bond has a shorter bond length than a single bond.
by Merin Padayatty 3G
Sat Nov 02, 2019 10:29 am
Forum: Electronegativity
Topic: Electronegativity on Test
Replies: 7
Views: 26

Re: Electronegativity on Test

How should we take account of electronegativity when drawing Lewis structures?
by Merin Padayatty 3G
Sat Nov 02, 2019 10:25 am
Forum: General Science Questions
Topic: Can We Take The Final In Pencil?
Replies: 14
Views: 471

Re: Can We Take The Final In Pencil?

All tests and midterms have to written in pen.
by Merin Padayatty 3G
Sat Oct 26, 2019 11:13 pm
Forum: Ionic & Covalent Bonds
Topic: Cation
Replies: 23
Views: 114

Re: Cation

Another difference between cations and anions is that cations are usually smaller than their parent atom and anions are usually larger than their parent atom.
by Merin Padayatty 3G
Sat Oct 26, 2019 11:10 pm
Forum: Trends in The Periodic Table
Topic: blocks
Replies: 13
Views: 71

Re: blocks

Yes, knowing the blocks is very beneficial when writing out electron configurations.
by Merin Padayatty 3G
Sat Oct 26, 2019 11:07 pm
Forum: Administrative Questions and Class Announcements
Topic: Midterm
Replies: 11
Views: 79

Re: Midterm

Will the midterm cover the chemical bond section?
by Merin Padayatty 3G
Sat Oct 26, 2019 11:05 pm
Forum: Administrative Questions and Class Announcements
Topic: Extra help
Replies: 8
Views: 67

Re: Extra help

I like watching Khan Academy and Organic Chemistry both to reinforce and clarify certain topics!
by Merin Padayatty 3G
Sat Oct 26, 2019 11:03 pm
Forum: Administrative Questions and Class Announcements
Topic: Online Modules
Replies: 7
Views: 55

Re: Online Modules

As of right now, the modules cover Week 1 and 2 material.
by Merin Padayatty 3G
Sun Oct 20, 2019 4:18 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Advice for studying
Replies: 52
Views: 274

Re: Advice for studying

After going to lecture, I like to immediately read the material covered in the textbook to solidify the concepts. I also try to do the corresponding homework problems right away and I'll go to TA hours if I'm confused about anything.
by Merin Padayatty 3G
Sat Oct 19, 2019 9:45 pm
Forum: Properties of Electrons
Topic: Angstrom Conversion
Replies: 12
Views: 90

Re: Angstrom Conversion

An angstrom is equivalent to 1*10^(-10) meters and is usually used to measure bond length.
by Merin Padayatty 3G
Sat Oct 19, 2019 9:42 pm
Forum: Einstein Equation
Topic: E=hv
Replies: 41
Views: 1501

Re: E=hv

With this particle equation, E represents the energy of the photon.
by Merin Padayatty 3G
Sat Oct 19, 2019 9:39 pm
Forum: Properties of Light
Topic: Baler v. Lyman Series
Replies: 10
Views: 50

Re: Baler v. Lyman Series

The Balmer series applies to the visible light region and the Lyman series applies to the UV region of the spectrum.
by Merin Padayatty 3G
Sat Oct 19, 2019 9:35 pm
Forum: General Science Questions
Topic: Tests
Replies: 9
Views: 55

Re: Tests

Although Test 1 contained all the unit conversions needed, I believe it will be safer and easier to memorize the main conversions especially for the midterm.
by Merin Padayatty 3G
Sat Oct 12, 2019 7:56 pm
Forum: Accuracy, Precision, Mole, Other Definitions
Topic: Test 1 [ENDORSED]
Replies: 107
Views: 1884

Re: Test 1 [ENDORSED]

We'll most likely get our tests back during our next discussion.
by Merin Padayatty 3G
Sat Oct 12, 2019 7:48 pm
Forum: Properties of Light
Topic: Frequency vs. Wavelength
Replies: 15
Views: 72

Re: Frequency vs. Wavelength

Frequency and wavelength have an inverse relationship as when the frequency increases, the wavelength decreases and vice versa.
by Merin Padayatty 3G
Sat Oct 12, 2019 7:43 pm
Forum: Administrative Questions and Class Announcements
Topic: Week 2 Homework Problems [ENDORSED]
Replies: 67
Views: 1065

Re: Week 2 Homework Problems [ENDORSED]

I think we're only supposed to turn in problems from the quantum section this week.
by Merin Padayatty 3G
Sat Oct 12, 2019 7:33 pm
Forum: Properties of Light
Topic: Speed of Light
Replies: 41
Views: 785

Re: Speed of Light

The speed of light is a constant as it doesn't change.
by Merin Padayatty 3G
Sat Oct 12, 2019 7:27 pm
Forum: Student Social/Study Group
Topic: Post All Chemistry Jokes Here
Replies: 7606
Views: 1019026

Re: Post All Chemistry Jokes Here

What should you do if no one laughs at your chemistry jokes?
Keep telling them until you get a reaction.
by Merin Padayatty 3G
Sun Oct 06, 2019 10:20 pm
Forum: Ideal Gases
Topic: Reading the textbook [ENDORSED]
Replies: 129
Views: 75202

Re: Reading the textbook [ENDORSED]

I personally find reading the textbook very beneficial just so I can go in depth on the topics covered. I usually have to read the text more than once to really comprehend the material so I break the text into small sections.
by Merin Padayatty 3G
Sun Oct 06, 2019 10:12 pm
Forum: Balancing Chemical Reactions
Topic: Balancing Reactions
Replies: 25
Views: 207

Re: Balancing Reactions

Chemical reactions have to be balanced in order to satisfy the law of conservation of matter which states that matter is neither created nor destroyed in a closed system. Therefore, the amount of element in the reactant and poduct sides have to be equal.
by Merin Padayatty 3G
Sun Oct 06, 2019 10:02 pm
Forum: Empirical & Molecular Formulas
Topic: What decimal place to round to when taking masses from the Periodic Table?
Replies: 19
Views: 120

Re: What decimal place to round to when taking masses from the Periodic Table?

I would say to use the entire number given on the periodic table and then to round your final answer based on the rules of sig figs.
by Merin Padayatty 3G
Sun Oct 06, 2019 9:58 pm
Forum: Administrative Questions and Class Announcements
Topic: Advice from a Medical Student - Part II [ENDORSED]
Replies: 117
Views: 1707

Re: Advice from a Medical Student - Part II [ENDORSED]

It was super inspiring and motivating to hear your experience as a medical student! As a first year premed, I'm wondering how you were able to balance your social and academic life?
by Merin Padayatty 3G
Sun Oct 06, 2019 9:51 pm
Forum: Student Social/Study Group
Topic: Final Jitters
Replies: 63
Views: 18515

Re: Final Jitters

One of the most helpful things I've learned over the past couple years on how to ease jitters before exams is to not discuss the content or try to cram in last minute material right before taking the test. Instead, I like to take deep breathes in order to calm myself down and get myself in the right...

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