Why does atomic size decrease as effective nuclear charge increases?
1) As Zeff increases, the inner electrons are pulled in closer to the nucleus because Zeff attracts electrons.
2) As Zeff increases, the outer electrons are pushed farther away from the nucleus because Zeff repels electrons.
3) As Zeff increases, the outer electrons are pulled in closer to the nucleus because Zeff attracts electrons.
4) As Zeff increases, the inner electrons are pushed farther away from the nucleus because Zeff repels electrons.