The volume of a rock was determined by the displacment method to be 550 cm cubed. it has a mass of 55 g. calculate the density of the rock.

Which is a characteristic of mixtures?

10. translate each of the following chemical equations into a sentence. a. 2 zns(s) + 3 o2(g) -> 2 zno(s) + 2 so2(g) b. cah2(s) + 2 h2o(l) -> ca(oh)2 (aq) + 2 h2(g)

Draw metallic bonding if two copper