Which nonmetal is likely to be least reactive
a) oxygen
b) sulfur
c) chlorine
d) fluorine

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Sulfuric acid is a polyprotic acid. write balanced chemical equations for the sequence of reactions that sulfuric acid can undergo when it's dissolved in water.

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?