Elements, Compounds, Mixtures

Front

What is a mixture?

Back

A mixture is formed when two or more substances are physically combined, and they retain their individual properties.

Front

What is an example of an element?

Back

Oxygen is an example of an element.

Front

What is a compound?

Back

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

Front

What is the chemical formula for sodium bicarbonate?

Back

NaHCO₃ is the chemical formula for sodium bicarbonate, which is a compound.

Front

How can you create a mixture with blueberries?

Back

You can create a mixture by adding raspberries to the bowl of blueberries.

Front

What does the diagram with different colored circles represent?

Back

The diagram represents atoms of different elements; a mixture will show different colored circles not chemically bonded.

Front

What is the difference between a compound and a mixture?

Back

A compound is a chemical combination of elements, while a mixture is a physical combination of substances.

Front

Can a mixture be separated by physical means?

Back

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

Front

What is an example of a homogeneous mixture?

Back

An example of a homogeneous mixture is saltwater, where the salt is evenly distributed.

Front

What is an example of a heterogeneous mixture?

Back

An example of a heterogeneous mixture is a salad, where the different ingredients can be seen and separated.