I need help with all of these problems, but specifically #4 3Sr(NO3)2 + 2(NH4)3PO4 --> Sr3(PO4)2 + 6NH4NO3

4.) How many FORMULA UNITS of strontium nitrate are needed to react with 345 GRAMS of ammonium phosphate?​

dynamic equilibrium is the answer.

the electron configuration that you gave me has 16 electrons ergo it has 16 protons ergo it is the element sulfur.

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.