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Take Ti, which has the electron configuration [AR] 3d2 4s2.
Which electrons react to form bonds, and which electrons are lost first when Ti becomes oxidized? Is it the electrons in the 3d2 orbital AND the ones in the 4s2 orbital, or only 3d2?
I also just want to ask another simple question, which is the convention to write the 3d orbital electrons before the 4s? Does that mean that in transition metals the d orbitals actually get filled before the s orbitals?
Which electrons react to form bonds, and which electrons are lost first when Ti becomes oxidized? Is it the electrons in the 3d2 orbital AND the ones in the 4s2 orbital, or only 3d2?
I also just want to ask another simple question, which is the convention to write the 3d orbital electrons before the 4s? Does that mean that in transition metals the d orbitals actually get filled before the s orbitals?