Elements and Compounds / Classifying Compounds and Mixtures

What is the layer of gas surrounding a planet that is held in place by gravity?

• Atmosphere

• Compound

• Lithosphere

• Volume

What is the sum of all living matter on Earth?

• Biosphere

• Hydrosphere

• Mass

• Acid

What is a new substance with unique chemical and physical properties formed when two or more elements are chemically bonded during a chemical reaction?

• Compound

• Lithosphere

• Volume

• Base

What is all the water on Earth’s surface; includes all water sources above and below the surface?

• Hydrosphere

• Mass

• Acid

• Mixture

What is the cool, rigid, outermost layer of Earth that consists of the crust and the uppermost part of the mantle; broken into pieces or segments called plates?

• Lithosphere

• Volume

• Base

• Pure Substance

What is a measure of how much matter is present in a substance?

• Mass

• Acid

• Mixture

• Salts

What is a measure of the space that matter occupies?

• Volume

• Base

• Pure Substance

• Solution

What is a compound that produces hydrogen ions in solution, donates hydrogen ions, or is an electron-pair acceptor?

• Acid

• Mixture

• Salts

• Atmosphere

What is a compound that releases hydroxide ions in solution, accepts hydrogen ions, or donates an electron pair?

• Base

• Pure Substance

• Solution

• Biosphere

What is a combination of two or more substances that do not chemically combine and can be separated?

• Mixture

• Salts

• Atmosphere

• Compound