Elements, Compounds, Mixtures

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded and can be separated by physical means.

Front

What is a homogeneous mixture?

Back

A homogeneous mixture is a mixture that appears to be uniform throughout, meaning the components are evenly distributed.

Front

What is a heterogeneous mixture?

Back

A heterogeneous mixture is a mixture where the components are not evenly distributed, and different parts can be seen.

Front

What is a pure substance?

Back

A pure substance is a material that has a constant composition and cannot be separated into simpler substances by physical means. It can be an element or a compound.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means. It consists of only one type of atom.

Front

What is a compound?

Back

A compound is a pure substance formed when two or more elements are chemically bonded together in a fixed ratio.

Front

What happens when you add raspberries to a bowl of blueberries?

Back

You create a mixture, as you are combining two different substances without a chemical reaction.

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically combined, while a mixture is made of two or more substances physically combined.

Front

What is NaHCO3?

Back

NaHCO3 is a compound known as sodium bicarbonate or baking soda.

Front

Can a mixture be separated?

Back

Yes, mixtures can be separated by physical methods such as filtration, evaporation, or distillation.