What is the steps of
Photosynthesis?

First the chlorophyll (the chemical that makes plants leaves green and traps sunlight)...

Next the sunlight gives the plant energy to start the food-making process.

Then the roots suck nutrients up to the leaves and then the leaves mix carbon dioxide,...

Finally they throw out their waste (oxygen).

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.