Matter and Chemistry Flashcard

Front

What is a chemical bond?

Back

A force of attraction between atoms that allows them to form molecules or compounds.

Front

What can you see in a heterogeneous mixture?

Back

The different parts of the mixture are visible.

Front

What is formed when two or more atoms are bonded together?

Back

Molecules.

Front

What are elements?

Back

Pure substances with specific properties that cannot be broken down by physical or chemical means.

Front

What is a physical property of matter?

Back

A characteristic that can be observed without changing the substance.

Front

What is a mixture?

Back

A combination of two or more substances where each retains its own properties.

Front

What is a compound?

Back

A substance formed when two or more different elements are chemically bonded together.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not alter the substance's chemical composition, while a chemical change does.

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.