Which is the correct definition of a compound? A substance made up of only one type of atom
A substance has has more than 2 atoms bonded together.
O la substance made up of two or more different types atoms
a substance made up of two or more atoms

What is the percent by mass of oxygen in fe2o3

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?