A person buildirig an aquarium would benefit from adding a livce rock to their aquarium because ?

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

The arrangement of particles is most ordered in a sample of

You have 125 g of a certain seasoning and are told that it contains 70.0 g of salt. what is the peroentage of salt by mass in this seasoning?