Which of the following is an example of a chemical reaction? A) Metal rusts slowly when it is exposed to water.

B) Water vapor in clouds turns into snow.

C) Salt dissolves in water until it is no longer visible.

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Why is the structure of molecule important to its function?

Displacement is the slope of a velocity vs. time graph a. true b. false