## HW 2.31 [ENDORSED]

Maya Khoury
Posts: 29
Joined: Fri Apr 06, 2018 11:03 am

### HW 2.31

2.31 asks which of the following subshells cannot exist in an atom: (a) 2d cannot exist (b) 4d exists (c) 4g cannot exist (d) 6f exists

First off, I don't really understand this.
Second, for c, does a g orbital even exist??

okay that's all thank you

Nahelly Alfaro-2C
Posts: 59
Joined: Wed Nov 15, 2017 3:04 am

### Re: HW 2.31  [ENDORSED]

the subshells 2d and 4g do not exist because there is not an element to be assigned to in that subshell. The d-block of subshells is for transition metals and begin at 3d. The 4g could simply not be possible because the subshells on the periodic table go up to the f-block. The 4d and 6f subshells can exist because they are in the range of the periodic table and can be assigned to an element.

Amir Akhavan 1E
Posts: 34
Joined: Fri Apr 06, 2018 11:01 am

### Re: HW 2.31

2d does not exist because the first subshell for d is 3d and there is no such thing as a g orbital.

Samantha Draghi 1L
Posts: 24
Joined: Fri Apr 06, 2018 11:02 am

### Re: HW 2.31

the d orbitals start at 3 so a 2d orbital cannot exist, further the g orbital is not an orbital that one cannot be true either

Posts: 31
Joined: Fri Apr 06, 2018 11:03 am

### Re: HW 2.31

Since subshells correspond to the layout of the periodic table, did the development of both occur during the same time period?

Maya Khoury
Posts: 29
Joined: Fri Apr 06, 2018 11:03 am

### Re: HW 2.31

okay I get it now, so this might be a really silly follow up and I don't know if this will make sense but stick with me here lol

so the f block, extends out from the d block right? So if d starts at n= 3 (like 3d¹⁰), does f start at n= 5 and can either be 5f or 6f?

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