Question

Q.1 Write electronic configuration from elements 1 to 20 with diagram

Please help me in this question​

Answer 1

Answer:

helium,lithum,boron, carbon, nitrogen, oxygen, prosperous,celicon,ferrus,cobalt,nikil

Explanation:

sorry bro no diagram

Answer 2

Answer:

1. Hydrogen (H) 1s1

2. Helium (He) 1s2

3. Lithium (Li) [He] 2s1

4 Beryllium (Be) [He] 2s2

5 Boron (B) [He] 2s2 2p1

6. Carbon (C) [He] 2s2 2p2

7 Nitrogen (N) [He] 2s2 2p3

8. Oxygen (O) [He] 2s2 2p4

9. Fluorine (F) [He] 2s2 2p5

10 neon (Ne) [He] 2s2 2p6

11. Sodium (Na) [Ne] 3s1

12. Magnesium (Mg) [Ne] 3s2

13. Aluminium (Al) [Ne] 3s2 3p1

14 silicon (Si) [Ne] 3s2 3p2

15 phosphorus (P) [Ne] 3s2 3p3

16 Sulphur (S) [Ne] 3s2 3p4

17. Chlorine (Cl) [Ne] 3s2 3p5

18. Argon (Ar) [Ne] 3s2 3p6

19 potassium (K) [Ar] 4s1

20 Calcium (Ca) [Ar] 4s2

21 scandium (Sc) [Ar] 3d1 4s2

22 Titanium (Ti) [Ar] 3d2 4s2

23 Vanadium (V) [Ar] 3d3 4s2

24 Chromium (Cr) [Ar] 3d5 4s1

25 Manganese (Mn) [Ar] 3d5 4s2

26 Iron (Fe) [Ar] 3d6 4s2

27 Cobalt (Co) [Ar] 3d7 4s2

28 Nickel (Ni) [Ar] 3d8 4s2

29 Copper (Cu) [Ar] 3d10 4s1

30 Zinc (Zn) [Ar] 3d10 4s2

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