Question

write the electronic configuration from 20 to 30 elements ​

Answer 1

20 Calcium (Ca) [Ar] 4s2

21Scandium (Sc)[Ar] 3d1 4s2

22Titanium (Ti)[Ar] 3d2 4s2

23Vanadium (V)[Ar] 3d3 4s2

24Chromium (Cr)[Ar] 3d5 4s1

25Manganese (Mn)[Ar] 3d5 4s2

26Iron (Fe)[Ar] 3d6 4s2

27Cobalt (Co)[Ar] 3d7 4s2

28Nickel (Ni)[Ar] 3d8 4s2

29Copper (Cu)[Ar] 3d10 4s1

30Zinc (Zn)[Ar] 3d10 4s2

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Answer 2

Answer:

1. .calcium
2. scandium
3. .titanium
4. .vanadium
5. chromium
6. manganese
7. .iron
8. cobalt
9. .nickel
10. .copper
11. .zinc