write down the electronic configuration of 3 li, 4 si,Na 15, Ar 18
Answers
Answer:
1s 2s 2p 3s 3p 3d 4s 4p 4d 4f 5s 5p 5d 5f 5g 6s 6p 6d 6f 7s 7p 7d 8s 8p 9s 9p
1 2 3 4 5 6 7 8 9
1 H hydrogen: 1s1
1s1
1
2 He helium: 1s2
1s2
2
3 Li lithium: [He] 2s1
1s2 2s1
2 1
4 Be beryllium: [He] 2s2
1s2 2s2
2 2
5 B boron: [He] 2s2 2p1
1s2 2s2 2p1
2 3
6 C carbon: [He] 2s2 2p2
1s2 2s2 2p2
2 4
7 N nitrogen: [He] 2s2 2p3
1s2 2s2 2p3
2 5
8 O oxygen: [He] 2s2 2p4
1s2 2s2 2p4
2 6
9 F fluorine: [He] 2s2 2p5
1s2 2s2 2p5
2 7
10 Ne neon: [He] 2s2 2p6
1s2 2s2 2p6
2 8
11 Na sodium: [Ne] 3s1
1s2 2s2 2p6 3s1
2 8 1
12 Mg magnesium: [Ne] 3s2
1s2 2s2 2p6 3s2
2 8 2
13 Al aluminium: [Ne] 3s2 3p1
1s2 2s2 2p6 3s2 3p1
2 8 3
14 Si silicon: [Ne] 3s2 3p2
1s2 2s2 2p6 3s2 3p2
2 8 4
15 P phosphorus: [Ne] 3s2 3p3
1s2 2s2 2p6 3s2 3p3
2 8 5
16 S sulfur: [Ne] 3s2 3p4
1s2 2s2 2p6 3s2 3p4
2 8 6
17 Cl chlorine: [Ne] 3s2 3p5
1s2 2s2 2p6 3s2 3p5
2 8 7
18 Ar argon: [Ne] 3s2 3p6
1s2 2s2 2p6 3s2 3p6
2 8 8
19 K potassium: [Ar] 4s1
1s2 2s2 2p6 3s2 3p6 4s1
2 8 8 1
20 Ca calcium
Li - 1s^2 2s^1.
Si -1s^2 2s^2 2p^6 3s^2 3p^2.
Na - 1s^2 2s^2 2p^6 3s^1.
Ar -1s^2 2s^2 2p^6 3s^2 3p^6
hope it helps