determine the oxidation numbers of sulfer in these compounds : a) SO2 b)Na2SO4 c)H2S d)sulfur powder e)HSO4 f)Na2S2O3 g)H2SO3 h)SO3​

Why are people not able to scuba dive in the deep part of the ocean

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

The number at the end of an isotope’s name is the number.