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what is ca+ electon config beginning with closest noble gas?

 May 12, 2021
 #1
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0

 

im really not sure

 May 12, 2021
 #2
avatar+32833 
+1

Ca   is normally    1 s2    2s2 2p6   3s2 3p6   4s2       for 20 electrons

 

Argon   AR has 18 electrons  

            so   Ca could be    [Ar] 4s2          now remove one electron   to get Ca=     [ Ar] 4s1

 

    

 May 12, 2021

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