Question

Write the electronic configuration of following elements
a) Chromium
b) Argon
c) Manganese
d) Copper​

Answer 1

Answer:

1. Chromium - 3d⁵, 4s¹
2. Argon - 3s², 3p⁶
3. Manganese - 3d⁵, 4s²
4. Copper - 3d¹⁰, 4s¹

Answer 2

Answer:

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

The electronic configuration of first