Chemistry Fall Final

What is your FIRST AND LAST name?

All matter, whether living or nonliving, is made up of tiny building blocks, called:

• A) compounds
• B) mixtures
• C) atoms
• D) elements

Which of the following correctly identifies the subatomic particle with its electrical charge?

• A) protons (positive), electrons (no charge), neutrons (negative)
• B) protons (negative), electrons (positive), neutrons (no charge)
• C) protons (no charge), electrons (negative), neutrons (positive)
• D) protons (positive), electrons (negative), neutrons (no charge)

A mixture that looks like a single substance because particles are evenly distributed is …

• A) a homogeneous mixture
• B) a heterogeneous mixture
• C) a compound
• D) an element

Which is NOT an example of Matter

• A) dog
• B) lightning
• C) rock
• D) time

A mixture can be classified as a solution, suspension, or colloid based on the …

• A) number of particles it contains
• B) size of its particles
• C) color of its particles
• D) atomic structure of its particles

Which if the following is NOT an example of a colloid?

• A) blood
• B) smoke
• C) milk
• D) salt water

What vocabulary term is used to describe any substance that has mass and volume?

• A) Matter
• B) Atom
• C) Weight
• D) Density

Which of the following is an example of a physical change

• A) decomposing
• B) rusting
• C) evaporation
• D) reacting

Which of the following is an example of a chemical change?

• A) ice melting
• B) ice being carved
• C) water boiling into steam
• D) water breaking down in hydrogen and oxygen gas