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PLEASE ANSWER FAST !!
The partial electron configuration of an atom with 12 electrons is shown.
1s²2s²2p^6 xx

Which of the following does X represent?
2d²
35²
3p²
4s²


PLEASE ANSWER FAST The Partial Electron Configuration Of An Atom With 12 Electrons Is Shown 1s2s2p6 Xx Which Of The Following Does X Represent 2d 35 3p 4s class=

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