The 57th electron in an atom's electron configuration will be placed into which orbital?

5d

6d

4f

6p

Question

The 57th electron in an atom's electron configuration will be placed into which orbital?

5d
		
6d
		
4f
		
6p

bruno102 · Answer

Is it a?

bruno102 · Answer

also 
It would be most appropriate to use the noble gas core [He] when writing the shorthand electron configuration for sulfur. T/F

Thanks for the help

dtan5457 · Answer

Yeah, it's a. 

Shells go at 2-4-8-18-32

57 would be part of that last shell of 32 somewhere.

dtan5457 · Answer

I don't get your 2nd question, sorry.

bruno102 · Answer

Thank you for answering. Also, I don't quite understand the second either. It is a true or false on whether the statement is correct, I think it is false, but am not sure.