The oxidation number of a monatomic ion is equal to
a.
the charge on the ion.
b.
zero.
c.
the sum of all the oxidation numbers.
d.
the oxidation number of an oxygen atom.

Evaluate this exponential expression,8. (2 + 3)2 – 42

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.