Question

Electronic configuration 20 elements

Answer 1

Hey There!

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








PLEASE MARK ME BRAINLIEST