If you were given a diagram of an atom like the one below how would you identify what element is identify the number of protons neutrons and electrons in the following elements

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

How is energy related to the change of state represented by the model? atoms gain energy as a solid changes to a liquid. atoms gain energy as a solid changes to a gas. atoms lose energy as a solid changes to a liquid. atoms lose energy as a solid changes to a gas.