S.I Unit of Temperature is kelvin(K)
S.I Unit of Time is second(s)
S.I Unit of Length is meter(m)
S.I Unit of Mass is Kilogram(Kg)
1 shake = 10⁻⁸ seconds
Atomic Mass of lead is 207
Atomic Mass of mercury is 200
Atomic Mass of gold is 197
Atomic Mass of iodine is 127
Atomic Mass of silver is 108