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Sc2+ is the ground state ions has unpaired electrons from the option given. What is ground state ion?The ground state ion is the state in which all its electrons are in the lowest energy orbitals possible. You can get a positive ions by removing electrons until you reach a noble gas configuration. Ground state ion configurations are the foundation for understanding molecular bonding, properties, and structures. From the electrons in an atom, to the differing orbitals and hybridization, the ground state ion configuration throws light on many different atomic properties. In conclusion, understanding electron configuration leads to an understanding of the periodic table.Learn more about ground state ion at: https://brainly.com/question/2106701#SPJ1
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