The direction of current in a straight current carrying conductor is found to be from south to north. The direction of magnetic field around the conductor will be:

Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.

Iron is a transition metal with multiple oxidation numbers. (answer the following) a. what is the iron (ii) ion? how does it differ from the iron (iii) ion? b. if iron were to bond with oxygen, predict the formula for each oxidation number of iron. c. how would each formula be named?

Which is the most accurate name for the ionic compound cas?