9-3 Classification of Matter

What is a pure substance made of 2 or more elements chemically combined in a specific ratio (Ex. Water)?

• Element

• Compound

• Mixture

• Solution

What is a type of mixture in which different parts can easily be seen (Ex. Vegetable soup)?

• Heterogeneous mixture

• Homogeneous mixture

• Solution

• Colloid

What is a type of mixture that is evenly mixed so you cannot see the parts and it looks all the same (Ex. Paint)

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

What is a pure substance that cannot be broken down into any other substances by chemical or physical means (Ex. Oxygen)?

• Element

• Compound

• Colloid

• Suspension

(0606) This is used to represent the number of each atom in the chemical formula.

• Exponent

• Coefficient

• Reactant

• Subscript

(0606) This appears in front of a chemical formula, and represents how many molecules there are.

• Multiplier

• Subscript

• Molecule

• Coefficient

(0301) If you change a substance into a new substance, it is considered a

• Partial Change

• Physical Change

• Chemical Change

• Phase Change

(0104) Which of the following are pure substances? Select all that apply.

• elements

• compounds

• heterogeneous mixtures

• homogeneous mixtures

(0105) A mixture in which different materials can be identified easily

• element

• heterogeneous mixture

• homogeneous mixture

• solution

(0105) Which one of these pictures represents a mixture? Select all that apply.

• 1

• 2

• 3