Mixtures_Y7

Front

What is an *element*?

Back

A pure substance made of one type of atom (e.g., carbon, iron, calcium).

Front

What is a *compound*?

Back

A pure substance made of more than one type of atom (e.g., sodium chloride, carbon dioxide).

Front

What is a *mixture*?

Back

A substance made of elements and/or compounds that are not chemically bonded (e.g., cereal, lemonade).

Front

What is a *suspension*?

Back

A mixture where solid particles are spread throughout a liquid or gas but do not dissolve. The particles settle over time.

Front

Give an example of a suspension.

Back

Orange juice with pulp or sand in water.

Front

What is a *colloid*?

Back

A mixture with very small particles evenly spread through another substance. Particles don’t settle but scatter light.

Front

Give an example of a colloid.

Back

Milk, paint, smoke, or mayonnaise.

Front

What is a *solution*?

Back

A homogeneous mixture where all particles are evenly mixed and one substance dissolves in another.

Front

What is the *solute* and *solvent* in a saltwater solution?

Back

Salt is the solute; water is the solvent.

Front

What is an *aqueous solution*?

Back

A solution where water is the solvent (e.g., saltwater, rain, Coca-Cola).