Which element has the valence configuration 6s26p2 ?
Get out your periodic table. Do you know what the different blocks are?
I think the element you're referring to would be lead (Pb), if I'm correct. However, the correct way to write the electron configuration of lead would be \[[Xe] 6s ^{2}5d ^{10}6p ^{2}\] You can't just skip to the 6s and 6p orbitals.
Only use the Xe though if you are writing it in Noble gas notation though. right?
Yes... if you write it out completely it would be 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d10 6p2 Same thing but it just takes up a lot of space.
Thanks! yeah i have more trouble with configurations since i dont know how to get them unless i have my book with the periodic table in the the back with the electron configuration on the bottom! :/
No problem! Electron configurations follow a simple pattern on the periodic table. There are A LOT of helpful tutorials online that can teach you how to write them. I like this website: http://electronconfiguration.info/ Just scroll down to the part where they give some examples.
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