Matter & Change

Front

What is a Homogeneous Mixture?

Back

A mixture where two or more substances are evenly distributed and cannot be easily separated by physical means. Example: Saltwater.

Front

What is a Compound?

Back

A substance made up of two or more different types of atoms chemically combined, which cannot be separated by physical means. Example: Water (H2O).

Front

What is a Heterogeneous Mixture?

Back

A mixture where the components are not uniformly distributed and can be separated by physical means. Example: Salad.

Front

What is an Element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means. Example: Oxygen (O).

Front

What is the most reactive metal on the periodic table?

Back

Francium.

Front

Which element is classified as an alkali metal?

Back

Sodium.

Front

What is the difference between a Homogeneous Mixture and a Heterogeneous Mixture?

Back

A Homogeneous Mixture has a uniform composition throughout, while a Heterogeneous Mixture has a non-uniform composition.

Front

What is the definition of Matter?

Back

Anything that has mass and occupies space.

Front

What is a Pure Substance?

Back

A material that has a constant composition and consistent properties throughout. Example: Gold.

Front

What is the Law of Conservation of Mass?

Back

In a chemical reaction, mass is neither created nor destroyed; it is conserved.