1) petroleum is classified as what type of substance?
a) element
b) compound
c) mixture

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

Why does a cake rise when you bake it? ♡

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