[tex]answer \: very \: fastly[/tex]
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[tex]answer \: very \: fastly[/tex]
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Answer:
11 Na => 2,8,1
same grp=. k
15 P => 2,8,5
same grp= C
16 S => 2,8,6
same grp= O
9 F => 2,7
same grp= Cl
hope it's help you