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Provide the unabbreviated electron configuration for neptunium.

User Habin
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Final answer:

The unabbreviated electron configuration of neptunium (Np) with atomic number 93 is: 1s²2s²2p⁶6s²2p⁶3s²3p⁶6dⁱ0 4s²4p⁶4dⁱ5 4fⁱ4 5s²5p⁶5d²10 5f²4 6s²2 6p⁶ 7s²2 5f⁴ 6d²1.

Step-by-step explanation:

To provide the unabbreviated electron configuration for neptunium, we must locate neptunium on the periodic table and determine the number and arrangement of its electrons. Neptunium (Np) has an atomic number of 93, which means it has 93 electrons.

The unabbreviated electron configuration of neptunium is as follows: 1s²2s²2p⁶6s²2p⁶3s²3p⁶6dⁱ0 4s²4p⁶4dⁱ5 4fⁱ4 5s²5p⁶5d²10 5f²4 6s²2 6p⁶ 7s²2 5f⁴ 6d²1. This full configuration shows the distribution of electrons across the different subshells and energy levels of the atom.

To remember the order in which to fill the subshells, one can utilize the Aufbau principle and electron configuration charts that indicate the typical order for electron filling. Neptunium is an actinide, meaning its 5f subshell is being filled.

User Tom McDonough
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