Lesson: Chemistry-ClassifyingMatter

Lesson: Chemistry-ClassifyingMatter

By William Lovering

Multiple Choice

Elements are represented by

• symbols

• formulas

• equations

• dots

Multiple Choice

Compounds are represented by

• symbols

• formulas

• equations

• dots

Multiple Choice

O₂ is the most common way to represent oxygen. Would oxygen be a compound or an element?

• compound

• element

Multiple Select

Mark all the answers that are true for both mixtures and compounds.

• made of 2 or more different substances

• represented by a formula

• substances are chemically combined

• can be physically separated