Modeling Matter

Front

What happens when salt is added to water?

Back

The salt dissolves in the water.

Front

What is a molecule?

Back

A group of atoms joined together in a particular way.

Front

Is blood a mixture?

Back

Agree.

Front

What is the smallest unit of a chemical element?

Back

Atom.

Front

What is the difference between an atom and a molecule?

Back

An atom is a single unit, while a molecule is a group of atoms bonded together.

Front

What does it mean for a substance to be soluble?

Back

It means that the substance can dissolve in a solvent, like salt in water.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is a property of matter?

Back

A characteristic that can be observed or measured, such as color, density, or boiling point.

Front

What happens to the temperature of water when salt is dissolved in it?

Back

The temperature may slightly change, but it generally remains the same.

Front

What is a mixture?

Back

A combination of two or more substances that retain their individual properties.