Titanium has an atomic number of 22. The following orbital notation for titanium is incorrect. Explain the error in terms of the rules for electron arrangements.

Question

aaronq · Answer

"The following orbital notation"?

anonymous · Answer

OH! one moment..

anonymous · Answer

https://vcsohio.brainhoney.com/Resource/21714840,784,0,3F,3/Assets/46485_50f99193/02_06_02.jpg

aaronq · Answer

4s needs to be filled before 3d, this is called the AUFBAU principle

anonymous · Answer

Can you explain that to me please?

anonymous · Answer

@aaronq

aaronq · Answer

if you look at the periodic table, the order in which you fill electrons is horizontally from left to right

anonymous · Answer

so lithium would fill before boron, for example?

aaronq · Answer

yes

aaronq · Answer

it's not lithium perse, it's the orbital