Design an experiment using a radioactive tracer to evaluate the amount of wear on steel auto engine cylinders using different types of lubricating oils. how should i do this? any ideas?

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.

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Explain what happens at the saturation point when adding salt to water at room temperature.