Which of the following is NOT a possible pair of quantum numbers?
What does the 1 in "1s" stand for?
What element has the electron configuration 1s2 2s2 2p6 3s2 3p5?
How many electrons are in 1s2 2s2 2p4?
What is the noble gas configuration for Cobalt?
What is the noble gas configuration for 1s2 2s2 2p6 3s2?