calculate the oxidation number of metals in the following co-ordination compounds. 1) [cr(nh3)(no3)3] 2) [ni(nh3)6]cl2 3) k3[al(c2o4)3]

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead

What substance has a mass of 9.5g and volume of 2.1cm^3