The problem here is that according to aufbau principle before 3d orbital 4s subshell comes.after filling 3p orbital with electrons you have 4 electrons left, you place two in 4s with opposite spin and the other two in 3d in any of its two orbitals of total five orbitals with the same spin.
Answer from: Quest
it's c (engineer's do their work with mechanical stuff not on any living being)
Answer from: Quest
Idk the answer imthink snail cant mate they dont lol
Another question on Chemistry
Chemistry, 21.06.2019 12:50
Which of the following is considered a benefit to using wind energy as a source of power
Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?