Question

Electronic configuration of the elements with atomic numbers 1 to 30

Answer 1

1)H =1 =1S1

He =2= 1S2

Li =3=1s2,2s1

Be=4= 1s2,2s2

B =5=1s2,2s2,2p1

C =6= 1s2,2s2,2p2

N =7= 1s2,2s2,2p3

O =8= 1s2,2s2,2p4

F=9= 1s2,2s2,2p5

Ne =10= 1s2,2s2,2p6

Na =11= [Ne] 3s1

Mg=12= [Ne] 3s2

Al =13= [Ne] 3s2,3p1

Si =14= [Ne] 3s2,3p2

P =15= [Ne] 3s2,3p3

S=16= [Ne] 3s2,3p4

Cl=17= [ Ne] 3s2,3p5

Ar=18=[Ne] 3s2,3p6

K =19= [Ar] 4s1

Ca =20=[Ar] 4s2

Sc =21=[Ar] 4s2,4d1

Ti =22=[Ar] 4s2,4d2

V 23=[Ar] 4s2 ,4d3

Cr=24= [Ar] 4s2,4d4

Mn=25= [Ar] 4s2,4d5

Fe=26= [Ar] 4s2,4d6

Co=27= [Ar] 4s2,4d7

Ni =28=[Ar] 4s2,4d8

Cu=29= [Ar]4s2,4d9

Zn=30= [Ar] 4s2,4d10

Hope this will help you

Answer 2

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
21 Scandium [Ar]3d14s2
22 Titanium [Ar]3d24s2
23 Vanadium [Ar]3d34s2
24 Chromium [Ar]3d54s1
25 Manganese [Ar]3d54s2
26 Iron [Ar]3d64s2
27 Cobalt [Ar]3d74s2
28 Nickel [Ar]3d84s2
29 Copper [Ar]3d104s1
30 Zinc [Ar]3d104s2 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
21 Scandium [Ar]3d14s2
22 Titanium [Ar]3d24s2
23 Vanadium [Ar]3d34s2
24 Chromium [Ar]3d54s1
25 Manganese [Ar]3d54s2
26 Iron [Ar]3d64s2
27 Cobalt [Ar]3d74s2
28 Nickel [Ar]3d84s2
29 Copper [Ar]3d104s1
30 Zinc [Ar]3d104s2