Quantum Numbers. Help really needed

AI Thread Summary
The discussion centers on determining the ground state electron configuration and quantum numbers for arsenic. The user initially seeks help with finding quantum numbers for the outermost electrons after successfully identifying the ground state configuration. They express frustration over the lack of resources specifically addressing quantum numbers. Ultimately, the user resolves their confusion independently and thanks the community for their assistance. The conversation highlights the challenge of understanding quantum numbers in relation to electron configurations.
linuxux
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Homework Statement



a)write a ground state electron configuration of for the arsenic atom
b)give a possible set of quantum numbers for each of the three outermost electrons of the arsenic atom

i know how to get the ground state, but i have no idea how to get the quantum number for each of the three electrons. I search google also, all I've found is articles regarding the ground state. At this point I am 100% stuck. thanks for help!
 
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List the types of quantum numbers that you know first.
 
actually I've figured it our already, thanks anyways.
 
Thread 'Confusion regarding a chemical kinetics problem'

Thread 'Confusion regarding a chemical kinetics problem'

TL;DR Summary: cannot find out error in solution proposed. [![question with rate laws][1]][1] Now the rate law for the reaction (i.e reaction rate) can be written as: $$ R= k[N_2O_5] $$ my main question is, WHAT is this reaction equal to? what I mean here is, whether $$k[N_2O_5]= -d[N_2O_5]/dt$$ or is it $$k[N_2O_5]= -1/2 \frac{d}{dt} [N_2O_5] $$ ? The latter seems to be more apt, as the reaction rate must be -1/2 (disappearance rate of N2O5), which adheres to the stoichiometry of the...
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