provide electronic configuration of first 20 elements
Answers
Explanation:
1 Hydrogen 1s1
2 Helium 1s2
3 Lithium [He]2s1
4 Beryllium [He]2s2
5 Boron [He]2s22p1
6 Carbon [He]2s22p2
7 Nitrogen [He]2s22p3
8 Oxygen [He]2s22p4
9 Fluorine [He]2s22p5
10 Neon [He]2s22p6
11 Sodium [Ne]3s1
12 Magnesium [Ne]3s2
13 Aluminum [Ne]3s23p1
14 Silicon [Ne]3s23p2
15 Phosphorus [Ne]3s23p3
16 Sulfur [Ne]3s23p4
17 Chlorine [Ne]3s23p5
18 Argon [Ne]3s23p6
19 Potassium [Ar]4s1
20 Calcium [Ar]4s2
Answer:
electronic electronic configuration of first 20 elements
hydrogen --1
helium --2
lithium -- 2,1
brelium --2,2
boron --2,3
carbon --2,4
nitrogen --2,5
oxygen --2,6
flourine -- 2,7
neon -- 2,8
sodium -- 2,8,1
magnesium --2,8,2
aluminum -- 2,8,3
silicon -- 2,8,4
phosphorous -- 2,8,5
Sulphur -- 2,8,6
chlorine -- 2,8,7
argon -- 2,8,8
pottasium -- 2,8,8,1
calcium -- 2,8,8,2
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