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Hi
Hey :p

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can u draw the lewis structure?
No..
ok so lets walk through that
first off do you know how to draw the lewis structure? You need to look at the number of valence electrons, beryllium has 2 valence electrons, and chlorine has 7, |dw:1442608897751:dw|
Okay...
so can u do it now?
could you draw out the lewis structure for both chlorine and beryllium @WhatEven ?
No...
ok so lets do it this way....how many valence electrons does Cl has
*have
7.
ok...multiply it by 2
|dw:1442609468445:dw|
with that in mind how many valence electrons does Be have
I remember this a little, In order for an atom to bind to another it must have 8 electrons in it's outer shell/ octet so chlorine is a (can't remember the name) atom and will bind with an atom that has one making that atom a (Can't remember the name) atom
|dw:1442609786259:dw|
|dw:1442609885669:dw|
that's the lewis structure
and so it has a molecular geometry of? (Hint: CD2 = linear. Note: CD could be any atom)
Uhmm, one sec lemme look at the question again
I don't know what linear etc would look like...
@whateven Linear looks like this |dw:1442610553443:dw|
So is my answer linear
Or no?
why do you think it's linear?
that's the answer but why
Because its two circles with one in the middle o.o
@WhatEven |dw:1442611050752:dw|
@WhatEven Lone pair means a pair of electrons that does not participate in bonding for example. in NH3 ammonia. |dw:1442611152163:dw| Lone pairs cause the angles to become smaller between atoms and change the shape. |dw:1442611209066:dw| Because Beryllium does not have any lone pairs, the bond angle is 180 say if it did. |dw:1442611259250:dw|
well...just know that any chemical formula that has the form|dw:1442611295036:dw|
Yes!^ Like that
then it's linear
Wait
those new ones confused me
which one do u understand well?
Linear
So what about this one?
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@WhatEven draw it out for us and show us what it is here and tell what you think it is I think @diamondboy did a good job explaining the concepts.
I can draw linear like this, I understand it that way, but I need to know how the other,s would look and what number of valence electrons they have and I don't know either..
you can at least try and draw it
@WhatEven okay we can do this together...I am currently working on my assignment but I would put it on hold so we can do this.
Well tell me how to set them up, like two dot's out side a line And I don't want to stop you from your school...
I don't want to leave u without the understanding of how this works. Are u with me?
I am
So how mand valence electron does hydrogen and oxygen have
*y
One sec
Oxygen 6
ok
what about Hydrogen
Ok so hydrogen has 1 and altogether we have 7 valence electrons all we need to do is distribute them around H2O
|dw:1442612913257:dw| now do u see it?
I believe so, but I thought it had to have 8?
well it doesn't go like that for all of them
for example oxygen in this formula is electron deficient. Assuming H had more than 1 valence electron we would have made use of double bonds to get Oxygen in octet or 8
now can u fill the diagram and let me see
|dw:1442613121082:dw| so seven right?
yep but u are almost there
like I said hydrogen has just 1 valence electrons so give each hydrogen 1 and the rest to oxygen
Ohh Ok so|dw:1442613400403:dw| ?
|dw:1442613495727:dw|
do u see what I am saying now?
so now to make hydrogen happy we need to give it one more electron to make it happy. |dw:1442613643525:dw|
Yes, but why do they have to separate that way? Why not evenly?
hmm like why don't they have even distribution of electrons?
Yes
ok because for hydrogen all we need is just one electron to fill it's octet...its d only wierd kid on the periodic table
so when it bonds it takes only one electron to make itself ok.
As for oxygen....it would have loved to be octet or 8 but it's hooked up to the wrong element
I (sorry I have to go I'll coto leave this open and come back
ok we forgot that the total number of valence electron is 8 not 7 because we have 2 hydrogen's or with each one having one valence electron |dw:1442613901250:dw|

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