Answer:
it is not clear
but I think you are mean a oxidation state for element or compound ( molecule )
like -4 in [Cr(CO)4]4−
The main characteristics of glass are transparency, heat resistance, pressure, and breakage resistance, and chemical resistance.
Answer:
the rust formed because of the water sitting in sied a metal bowl for long time but they can fix this if they get filters
Explanation:
It results in a combustion reaction
