mariamendez11 mariamendez11

08-03-2017
Physics

contestada

What is the electron configuration for a calcium atom?

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vanemed001 vanemed001

08-03-2017

i believe its (AR) 4rs . because calcuium is a chemical element with symbol Ca and atomic number 20. which calcium is soft gray group 2 alkaline earth metal, which is earths fifth most abundant element by mass in earth's crust

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mariamathew2004 mariamathew2004

08-03-2017

I think it is [Ar] 4s2

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