Erika is asked to create a model showing a negatively charged Carbon ion. Which model should she create?

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand

Light waves can move through , but they travel fastest when they move through a(n) .