the NH3 solutions is used, in three separate instances, to separate two ions. in each of the cases, one ion forms a precipitate and the other ion remains in solution as a complex. Describe each of these instances, using reaction equations.

i don,t know so just answer mine

i believe the answer is 5,000

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.