CHEMISTRY COMMUNITY

victoria1l

We are not responsible for knowing the names of the compounds.

victoria1l

We are not responsible for knowing the names of the compounds.

victoria1l

okay thank you!

victoria1l

My bad I meant two lone pairs. thank you!

victoria1l

what would the hybridization of Xe be in XeF4 ? I'm confused as to how to figure this out since the central atom has two regions of electron density

victoria1l

What percentage of old material will be asked? will it be 50% material since the midterm and 50% from before the midterm ?

victoria1l

So for homework problems if we ignore the naming, we won't get points off correct?

victoria1l

**yes

victoria1l

No valence electrons are the only electrons that participate in bonding and therefore determine the overall molecular shape

victoria1l

okay thanks!

victoria1l

Thanks for the clear up!

victoria1l

so would the extra electron go to Boron?

victoria1l

When given a formula with a charge, how do we know which atom to apply the charge to?

victoria1l

How do we know that the question is asking for ions ?

victoria1l

Is calculating the formal charge on a test necessary? will it be worth points?

victoria1l

Oh okay thank you !

victoria1l

Yes i think we should know the overall concept

victoria1l

Instead of calculating the formal charge, could one simply make sure that all the atoms have the correct number of valence electrons ? or would this not work all the time?

victoria1l

Thanks for the clarification !

victoria1l

Will we need to know the ionization exceptions for the midterm? Such as Oxygen has a lower ionization energy than Nitrogen even though it is to the right of Nitrogen?

victoria1l

Is it correct to say that as soon as the 3d orbital has at least one electron you write it before the 4s orbital except for Cr and Cu?

victoria1l

Thank you! that makes sense

victoria1l

Regarding this same question, I thought the electron configuration for silver (Ag) would be [Kr] 5s^2 4d^9 but the solutions manual has the answer as [Kr]4d^10 5s^1. Why does the 4d come before the 5s?

victoria1l

victoria1l

For this problem under the column of event we had to figure out the event corresponding to the calculated values . For example ,a calculated frequency of 1.2*10^17 Hz corresponds to the event of a dental x-ray. Will we need to have the frequencies memorized to their specific waves on the electromagn...

victoria1l

Could someone please explain how to do this? Use the above uncertainty in velocity to calculate the electron's uncertainty in kinetic energy. Then calculate the uncertainty in kinetic energy per mole of electrons(that is, per mole of hydrogen atoms).Comment on your value. (delta v= 3.4*10^10 m.s). I...

victoria1l

thanks for the clear up!

victoria1l

In the solutions manual to this question it shows the calculation of obtaining the moles of 2NH3 as 35.0g/17.031g. I was a bit confused on why 17.031 was being used, isn't the molar mass of 2NH3 31.038g.mol-1?

victoria1l

Thank you! This cleared things up a lot.

CHEMISTRY COMMUNITY

Search found 29 matches

Re: Oxidation State

Re: Oxidation State

Re: Final Exam [ENDORSED]

Re: Hybridization [ENDORSED]

Hybridization [ENDORSED]

Re: Final Exam [ENDORSED]

Re: Naming on Final

Re: Lewis Structure and Molecular Shape

Re: Lewis Structure and Molecular Shape

Re: Formal charge purpose

Re: Ions

Re: Ions

Ions

Re: 3.39

Re: Formal charge purpose

Re: Formal charge purpose

Re: Ionization exceptions [ENDORSED]

Re: Formal charge purpose

Re: Ionization exceptions [ENDORSED]

Ionization exceptions [ENDORSED]

3d before 4s

Re: Homework 2.43 [ENDORSED]

Re: Homework 2.43 [ENDORSED]

Re: post module #20

Re: HOMEWORK PROBLME 1.9 [ENDORSED]

post module #20

Re: M1 hw

M1 hw

Re: Video 4 - post assessment [ENDORSED]