Marisol wants to model the arrangement of particles that make up an ice cube and the particles that make up liquid water. She dings the diagrams below in a library book.

What is the best way for her to use these diagrams to model the particles of an ice cube and water?

Which of these is always true of a compound?

What are three properties of a substance that you can determine just by looking at it?

Potassium chloride is a compound that is very soluble in water. What will happen to the particles of potassium chloride if a spoonful of potassium chloride is stirred into a beaker of water?

The particles of potassium chloride will spread _______________ through the water to form a solution.

What happens when molecules of water as you heat the water in a pan?

These cylinders are tools used to measure substances. What property of the liquids do they measure?

Alan has two samples of matter as shown in the picture.

Which statement is a measurement of what is shown in the picture?

Alan has two samples of matter as shown in the picture.

Alan plans to draw models to show the state of matter of each sample. He will do this by drawing how the particles are arranged in each sample.

Is it possible to use only the models to identify which sample is X and which is Y?