The electron configuration for P is ___.

The Electron Configuration for Phosphorus is = 1s^2  2s^2  2p^6  3s^2  3p^3

Explanation:

Here is a sheet of paper that might help you out. You follow the red lines and where it has 3p^6 is if it is a full set. If you count the number that all of those are raised to, then you should get 15 (which is the atomic number).

Sorry, if it is horizontal instead of vertical.

the seeing the electronic configuration we can say that the element is fluorine.

fluorine is the most electronegative element in the periodic table.

but by only seeing the configuration we cannot say about its reactivity because we don't know if its configuration after excitation or by addition of electrons.

but if not then, it is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. as the most electronegative element, it is extremely reactive: almost all other elements, including some noble gases, form compounds with fluorine.

answerca air mass;