Search found 15 matches

by Maxwell S 3E
Sun Nov 04, 2018 11:16 pm
Forum: Bond Lengths & Energies
Topic: Bond length energies
Replies: 3
Views: 148

Re: Bond length energies

If there are more electrons shared and thus bonded together, it requires more energy to keep them in place along with then keep the bonds closer together due to the fact there is more energy involved.
by Maxwell S 3E
Sun Nov 04, 2018 11:01 pm
Forum: Electronegativity
Topic: Periodic Trends
Replies: 10
Views: 694

Re: Periodic Trends

I would try and think about trends, and just begin to understand how something would change in each trend. For example, atomic radius: For the metallic atoms, the have in their standard structure, fewer protons than the gaseous structures. Due to this, there is a higher level of energy pulling into ...
by Maxwell S 3E
Sun Nov 04, 2018 10:49 pm
Forum: Formal Charge and Oxidation Numbers
Topic: Formal Charge on Central Atom
Replies: 9
Views: 534

Re: Formal Charge on Central Atom

At what point can the instability reach a limit of explosion or some sort of effect? Is this too complicated of the question?
by Maxwell S 3E
Sun Oct 28, 2018 11:40 pm
Forum: Electronegativity
Topic: Calculating electronegativity
Replies: 10
Views: 740

Re: Calculating electronegativity

Understanding the trends of more than just electronegativity is really important, but in terms of knowing a specific value, it will all be given; it is not required.
by Maxwell S 3E
Sun Oct 28, 2018 11:31 pm
Forum: Lewis Structures
Topic: Electron Configurations
Replies: 3
Views: 176

Re: Electron Configurations

As seen before, they stated that electrons have been removed from Cu to Cu+2, denoting that it is positive in charge so there are less electrons (e-). Then, every energy level requires more and more energy to hold electrons, so naturally they will be released first.
by Maxwell S 3E
Sun Oct 28, 2018 11:22 pm
Forum: Ionic & Covalent Bonds
Topic: Changes in Form
Replies: 2
Views: 171

Re: Changes in Form

Unless there are some really unique cases, no, the bond between elements will always be the same as the element itself has not changing composition, just state, and thus energy levels. Unless there is some sort of specific chemical reactions, the only thing will change is physical changes.
by Maxwell S 3E
Sun Oct 21, 2018 11:52 pm
Forum: Trends in The Periodic Table
Topic: Periodic Table Trends
Replies: 5
Views: 318

Re: Periodic Table Trends

Just looking at the periodic table doesn't typically help in understanding trends in the table itself. One way I would recommend looking at it is just looking up graphs and images representing the changes!
by Maxwell S 3E
Sun Oct 21, 2018 11:44 pm
Forum: Wave Functions and s-, p-, d-, f- Orbitals
Topic: Energy levels of orbitals?
Replies: 10
Views: 397

Re: Energy levels of orbitals?

F is greatest, S is the least. One way to think about it is swinging a ball around a string. The longer the string is, the harder it is to control, the more wild and easier it is for the ball to fall out of "orbit". As the farther the orbital goes, the more energy is required to keep the e...
by Maxwell S 3E
Sun Oct 21, 2018 11:37 pm
Forum: Ionic & Covalent Bonds
Topic: Polar and Non-polar Covalent bonds
Replies: 4
Views: 308

Re: Polar and Non-polar Covalent bonds

Elements have their own electronegative values, so the difference between the elements in the bond then signifies such polarity, or lack thereof it. Understanding the base polarity difference of most common elements in bonding can also help you understand the polarity of more than just covalent bond...
by Maxwell S 3E
Sun Oct 14, 2018 10:52 pm
Forum: Einstein Equation
Topic: Numbers to memorize [ENDORSED]
Replies: 37
Views: 2038

Re: Numbers to memorize [ENDORSED]

No, those will be a part of a formula sheet added to the test. A few equations, or at least conversion between one given equation to one that is not given, may be more prudent to remember. For almost all constants, they will be provided.
by Maxwell S 3E
Sun Oct 14, 2018 10:47 pm
Forum: Properties of Light
Topic: Wavelength and Energy
Replies: 2
Views: 137

Re: Wavelength and Energy

When looking at just the equation, E=hv, we can see that as v, the frequency, goes up, the energy goes up. So, to understand why wavelength has higher or lower energy, it directly related to how frequent they oscillate. The wave's oscillation is moving at a constant rate (for electromagnetic waves i...
by Maxwell S 3E
Sun Oct 14, 2018 10:34 pm
Forum: Properties of Light
Topic: Units for Wavelength
Replies: 7
Views: 288

Re: Units for Wavelength

When answering the question, if it explicitly asks for nm or m, of course answer in that specific unit. Though, when looking at wavelength, generally answer with nm for the visible wavelength, but the thing about wavelengths is that it ranges so much farther than just nm or m. To properly answer the...
by Maxwell S 3E
Wed Oct 03, 2018 12:31 pm
Forum: Molarity, Solutions, Dilutions
Topic: Question G21 [ENDORSED]
Replies: 2
Views: 196

Re: Question G21 [ENDORSED]

We are given 3 molecules that are dissolved into water. Whenever molecules are disassociated, they break into their ions. In this case it is K⁺, Cl⁻, S²⁻, PO₄³⁻. The questions asks to find the concentration (molarity) of potassium and sulfide ions, so we first have to find the number of moles of pot...
by Maxwell S 3E
Wed Oct 03, 2018 12:01 pm
Forum: Empirical & Molecular Formulas
Topic: Molar Mass of Ions
Replies: 1
Views: 148

Re: Molar Mass of Ions

If you are given an a molecular equation and the mass of said equation, then, as you said, you must find the molar mass percentage (the percentage of mass that the ion occupies in the molar mass of the molecule). Then you just multiply that percentage by the given mass to calculate what the mass of ...
by Maxwell S 3E
Wed Oct 03, 2018 11:42 am
Forum: SI Units, Unit Conversions
Topic: Converting between Temperatures (K,C,F)
Replies: 4
Views: 258

Re: Converting between Temperatures (K,C,F)

The difference between Kelvin and Celsius is just 273 degrees, so when you calculate from Fahrenheit to Kelvin, you still go through the same (F-32)*(5/9) but add 273 afterwards. The answer to your question is yes you can calculate from F to K, but it is still just doing F to C to K.

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