I have no idea for part C You\'re planning a road trip and want to visit US citi

Question

I have no idea for part C You're planning a road trip and want to visit US cities named after elements on the periodic table. The following US cities arc real places: Lithiunm Missouri Boron, California Copper, Oregon Mercury, Nevada Telluride, Colorado For the city named after an alkali metal, how many core electrons does its namesake have? If Copper, Oregon wanted to display the electron configuration for Copper in the city square, which of the following should they choose if they wanted to reflect reality most accurately? [Ar] 4s^2 4d^9 [Ar] 4s^2 3d^9 [Ar] 4s^1 4d^10 [Ar] 4s^1 4d^10 Write the names of two elements/ions which are isoelectronic to the neutral element with 6 valence electrons from the list of cities above. (Optional Bonus point (+1): Write the names of the isoelectronic species as if they were cities).

Explanation / Answer

In the list of cities mentioned, Telluride ( Te ) has 6 valence electrons.

Te : [Kr]4d^10 5s^2 5p^4

The ions which are isoelectronic with this are, Sb^-1 and I^+1

Sb (antimony) atomic number is 51 and by gaining one e- its electrons number will be equal with Te

Iodine atomic number is 53 and by lose of one e- , its electrons number will be equal with Te

Therefore, Sb^-1 and I^+1 are isoelectronic with Te.

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