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General Chemistry 1: Electron Configuration

What is the electron configuration of the following elements:

H

He

B

Ne

Sc

Zn

Give the electron configuration, the number of valence electrons, and state whether the ion is diamagnetic or paramagnetic for the following ions:

Mg+2^{+2}

O2^{-2}

Cl1^{-1}

Al

Give the electron configuration, the number of valence electrons, and state diamagnetic or paramagnetic for the following elements and ions:

Cr

Cr+2^{+2}

Cu

Cu+1^{+1}