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Question
Complete the table:
|
Atomic number |
Element |
Electronic configuration |
Select an element of the same group |
|
11 |
Sodium |
|
(Ca/N/K)… |
|
15 |
Phosphorus |
|
(Ba/N/Rb)… |
|
16 |
Sulphur |
|
(F/Cl/O)… |
|
9 |
Fluorine |
|
(Ca/Cl/K)… |
Solution
|
Atomic number |
Element |
Electronic configuration |
Select an element of the same group |
|
11 |
Sodium |
2, 8, 1 |
K |
|
15 |
Phosphorus |
2, 8, 5 |
N |
|
16 |
Sulphur |
2, 8, 6 |
O |
|
9 |
Fluorine |
2, 7 |
Cl |
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