Question
Write the electronic configuration of elements from atomic number 11 to atomic number 20. Also name the elements.
Solution
Electronic configuration of the element from atomic number 11 to 20.
|
Element |
Atomic number (Z) |
Electronic configuration |
|
Sodium (Na) |
11 |
[Ne]10 3s1 |
|
Magnesium (Mg) |
12 |
[Ne]10 3s2 |
|
Aluminium (Al) |
13 |
[Ne]10 3s2 3p1 |
|
Silicon (Si) |
14 |
[Ne]10 3s2 3p2 |
|
Phosphorus (P) |
15 |
[Ne]10 3s2 3p3 |
|
Sulphur (S) |
16 |
[Ne]10 3s2 3p4 |
|
Chlorine (Cl) |
17 |
[Ne]10 3s2 3p5 |
|
Argon (Ar) |
18 |
[Ne]10 3s2 3p6 |
|
Potassium (K) |
19 |
[Ar]10 4s1 |
|
Calcium (Ca) |
20 |
[Ar]10 4s2 |
