Question

list the sequnce in which the following orbitals fill up: 1s , 2s , 3s, 4s , 5s, 6s, 7s, 2p, 3p , 4p, 5p , 6p , 7p , 3d, 4d, 5d, 6d, 4f, 5f

Answer 1

https://www.chem.wisc.edu/deptfiles/genchem/sstutorial/Text5/Tx54/tx54.html

Answer 2

If one has 3.85 Moles of sodium how many grams of sodium do they have