Predict the precipitate, if any, when aqueous solutions of Ca(C2H3O2)2 and Na2CO3 are mixed.

Each of the following compounds contains a metal that can exhibit more than one ionic charge. provide systematic names for each of these compounds. (a) cr(clo3)6 (b) mo(cn)6 (c) cr2(so3)3 (d) v(clo2)2 (e) v(cn)5 (f) os(clo2)4

Explain which group an element with the electron configuration 1s2 2s2 2p6 3s2 3p6 3d1 4s2 belongs to.

George is a dalmatian puppy. describe what happens to light that allows you to see george’s black and white coat.