1. Note the regular, repeating pattern in each section of the graph. How can you explain this pattern? Call upon your knowledge of shells of an atom and the periodic table.

How many molecules are found in 1.32 mol of nacl?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead