What is happening in terms of molecular kinetic theory in the first flat portion of the graph?

Using the periodic table, complete the table to describe each atom. type in your answers.a ? b? c? d? e? f?

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

Long term exposure to waves can cause sunburns and skin cancer. a) visible b) infrared c) gamma rays d) ultraviole