All sodium compounds show the same coloured flame because sodium’s familiar bright orange-yellow flame colour results from promoted electrons falling back from the 3p1 level to their normal 3s1 level. The exact sizes of the possible jumps in energy terms vary from one metal to another.
Answer:
to fall towards 7, making the solution less alkaline as more water is added.
A attract a core pair of electrons toward itself
Roughness of the surface and weight of the object.
