Question

Which of the given ions have the same ground state electron configuration: s2-, n3-, mg2 , and br-? a. s2-, n3-, mg2 , and br- b. s2-, n3-, and br- c. n3- and mg2 d. s2- and br- e. mg2 and br-

Answer 1

N3- and Mg2 ions have the same ground-state electron configuration.

Ground-state electron configuration:

Understanding molecule bonding, characteristics, and structures begin with understanding ground state electron configurations. The ground state electron configuration provides insight into a wide range of atomic properties, including the electrons in an atom, distinct orbitals, and hybridization.

The ground state of an atom's electrons is the lowest energy state that is feasible for that atom since, throughout the cosmos, a system's natural state is to use the least amount of energy.

Aufbau-Principle: If you have a lot of luggage, you'll probably choose the room that is closest to the ground floor in a hotel without an elevator. The Aufbau principle demonstrates the identical behavior of electrons in the ground state. According to the Aufbau principle, electrons first occupy lower energy orbitals before moving on to higher energy orbitals.

Learn more about ground state electrons here:

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