On the given elements in the periodic table, write their electron configurations and their corresponding chemical symbols.
Ex: Helium- He (18)
1. Lithium
2. Boron
3. Hydrogen
4. Nitrogen
5. Oxygen
6. Potassium
7. Flourine
8. Carbon
9. Sodium
10. Aluminum
11. Phosphorus
12. Argon
13. Magnesium
14. Neon
15. Calcium

Explanation:

1. Lithium  - Li 2s1

2. Boron  - B 2s2 2p1

3. Hydrogen  - H 1s1

4. Nitrogen  - N 2s2 2p3

5. Oxygen  - O 2s² 2p⁴

6. Potassium  - K 4s¹

7. Fluorine  - F 2s2 2p5

8. Carbon  - C 2s22p2

9. Sodium  - Na 3s¹

10. Aluminum  - Al 3s² 3p¹

11. Phosphorus  - P 3s² 3p³

12. Argon  - Ar 3s² 3p⁶

13. Magnesium  - Mg 3s2

14. Neon  - Ne 2s²2p⁶

15. Calcium - Ca 4s²

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