Chapter 2

Chapter 2

• Chapter 2 – Matter and Change
• Know your Chapter 1 objectives.
• Give examples of things that are matter and things that are not matter.
• Distinguish between mass and volume.
• Distinguish between intensive and extensive properties. Be able to give examples of each.
• Identify and describe physical properties and give examples.
• Describe the characteristics of the three common states of matter.
• Describe physical changes, and give examples.
• Be able to classify physical changes as reversible or irreversible.
• Classify mixtures as homogenous (solutions) and heterogeneous. Give examples of each.
• Determine what methods of separation would work for different types of mixtures.
• Determine what methods of separation would work for different types of mixtures.
• Distinguish between elements and compounds. Give examples of each.
• Know the seven diatomic elements.
• Know the definitions of allotropes and alloys and give examples of each.
• Describe chemical changes, and give examples.
• Distinguish between pure substances and mixtures. Give examples of each.
• Know the definition of a group and a period with respect to the periodic table.
• Identify and describe chemical properties and give examples.
• Identify reactants and products in a chemical equation.
• List four observations that suggest a chemical change has occurred.
• Understand the Law of Conservation of Mass

Alloy And Allotrope

• A metal that is a combination of two or more elements, at least one of which is a metal.
• (chemistry) Any form of an element that has a distinctly different molecular structure to another form of the same element.

Diapositiva 3

Diapositiva 4