Consider the following elements :
`""_(20)A, ""_(8)B, ""_(18)C, ""_(16)D, ""_(4)E, ""_(2)F`
Answer the following giving reasons :
Which of the above elements you would expect to be
very stable

Explanation

To determine which of the given elements are very stable, we need to analyze their atomic numbers and their positions in the periodic table. The elements provided are:

- A: Atomic number 20
- B: Atomic number 8
- C: Atomic number 18
- D: Atomic number 16
- E: Atomic number 4
- F: Atomic number 2
...