How many neutrons does protium have

What is the relationship between the direction of motion of the balloon and the wind currents

As the distance from a magnet increases, what happens to the magnet force?

When a lead acid car battery is recharged by the alternator, it acts essentially as an electrolytic cell in which solid lead(ii) sulfate is reduced to lead at the cathode and oxidized to solid lead(ii) oxide at the anode. suppose a current of is fed into a car battery for seconds. calculate the mass of lead deposited on the cathode of the battery.