Chapter 7: Foundations of Chemistry Practice Test

What is a change in matter where the substance changes into a new substance with new physical and chemical properties?

• Physical Change

• Chemical Change

• Density

• Compound

What is a substance?

• Matter with a composition that is always the same

• Anything that has mass and takes up space

• Matter that can vary in composition

• The mass per unit volume of a substance

What type of mixture has substances that are evenly mixed?

• Compound

• Density

• Homogeneous

• Heterogeneous

What kind of mixture does this cheeseburger represent?

• Heterogeneous

• Homogeneous

What would the density be of an object that has a mass of 20 grams and a volume of 10 cm³?

• 1 g/cm³

• 5 g/cm³

• 0.5 g/cm³

• 2 g/cm³

What is a mixture?

• Anything that has mass and takes up space

• Matter with composition that is always the same

• Matter that can vary in composition

• The ability of one substance to dissolve in another

What is an element?

• A small particle that is the building block of matter

• Matter that can vary in composition

• A substance containing atoms of two or more different elements chemically bonded together

• A substance that consists of just one type of atom

Solutions are also known as what?

• Heterogeneous mixtures

• Homogeneous mixtures

• Elements

• Compounds

What state of matter does this represent?

• Solid

• Liquid

• Gas

• Plasma

What state of matter does this represent?

• Solid

• Liquid

• Gas

• Plasma