chemistry
posted by Hannah .
write the corresponding subshell leters for the combinations given. Fill in the possible number of electrons for these subshells.
1) n=1
2) l value=0
3) l letter?
4) "nl"Designation
5) Maxium # of electrons
the table shows n values of 1, 2,2,3,3,4 with l values of 0,0,1,0,1,20 in that order. Question numbers 35 have to be filled in but I do not understand how to do this. Could someone please explain how to do one of them and then I can try the rest. Thank You!!

chemistry 
DrBob222
1)given
2)given
3) for l = 0 we name it an s orbital. 0 is s, 1=p, 2=d, 3=f
4)"nl" is 1s
This looks straight forward to me. 1 and 2 are given. 3 will be s,p,d, or f. 4 is just the combo of n as a number along with l as a letter. 
chemistry 
Hannah
o ok i think i understand and what would the maximum number of electrons be?

chemistry 
Hannah
So for the following:
1)n=2
2) l=0
3) l letter= s
4) nl designation= 2s
Are numbers 2 and 3 correct? 
chemistry 
DrBob222
This looks ok. For ANY value of l (be it s,p,d,or f electron) you can have a maximum of 2 electrons. One will be ms = 1/2 and the other ms of 1/2.

chemistry 
Hannah
o ok. In my textbook it shows a chart with electron shells and it has the maximum electrons possible for nth shell (2n^2). What does this mean?

chemistry 
DrBob222
For n = 1, max = 2 (2*1^2 = 2)
For n = 2, mas = 8 (2*2^2 = 8) This does NOT change what I said about 2 electrons being the max for s, p, d, or f orbitals. For n = 2, we have both s and p electrons. There can be 2s and 6p and that totals 8 which is 2n^2. Thinking back on my earlier answers, I assumed max number of electrons meant max for a specific orbital. If you interpret the question to mean max number in the n shell, then 2n^2 is what you want to go with. 
chemistry 
Hannah
ok so for n=3 and l value 0 it would be the the nl would be 3s and max electrons would be 18?

chemistry 
Hannah
the question then says to expand the above values in the table for all the l values of n=4. Are more possible for n=5?
I am not sure what they mean by expand it but I think that there are more values for n=5. 
chemistry 
Hannah
Based on the nl designation and max # of electrons above, write the electron configuration for carbon.
1s2 2s2 2p2 or [He]2s2 2p2
How many electrons are in the first shell n=1? These are the core electrons for carbon.
I think two are in the first shell
How many valence electrons are there in carbon?
there are 4
Are these correct?
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