I want configuration of 1 to 20 elements
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Number of electrons in each shell
ElementSymbolElectrons in shell 1Electrons in shell 2Electrons in shell 3Electrons in shell 4hydrogenH1---heliumHe2---lithiumLi21--berylliumBe22--boronB23--carbonC24--nitrogenN25--oxygenO26--fluorineF27--neonNe28--sodiumNa281-magnesiumMg282-aluminiumAl283-siliconSi284-phosphorusP285-sulfurS286-chlorineCl287-argonAr288-p
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1, 1 = E.C = 1
2, 2= E.C. = 2
3, 3= E.C.= 2,1
4,. 4=E.C = 2,2
5,. 5= E.C.= 2,3
6,. 6= E.C.= 2,4
7,. 7= E.C. = 2,5
8,. 8= E.C. = 2,6
9,. 9 = E.C. = 2,7
10,. 10= E.C. = 2,8
11,. 11= E.C.= 2,8,1
12,. 12= E.C.= 2,8,2
13,. 13=E.C.= 2,8,3
14,. 14= E.C. = 2,8,4
15,. 15= E.C.=2,8,5
16,. 16= E.C.= 2,8,6
17,. 17= E.C.= 2,8,7
18,. 18= E.C.= 2,8,8
19,. 19= E.C = 2,8,8,1
20,. 20= E.C.= 2,8,8,2
2, 2= E.C. = 2
3, 3= E.C.= 2,1
4,. 4=E.C = 2,2
5,. 5= E.C.= 2,3
6,. 6= E.C.= 2,4
7,. 7= E.C. = 2,5
8,. 8= E.C. = 2,6
9,. 9 = E.C. = 2,7
10,. 10= E.C. = 2,8
11,. 11= E.C.= 2,8,1
12,. 12= E.C.= 2,8,2
13,. 13=E.C.= 2,8,3
14,. 14= E.C. = 2,8,4
15,. 15= E.C.=2,8,5
16,. 16= E.C.= 2,8,6
17,. 17= E.C.= 2,8,7
18,. 18= E.C.= 2,8,8
19,. 19= E.C = 2,8,8,1
20,. 20= E.C.= 2,8,8,2
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