U3 C1 Flashcardizz

Front

What is a heterogeneous mixture?

Back

A mixture composed of two or more substances that are not uniformly distributed, meaning the different components can be seen and separated.

Front

What is a mixture?

Back

A material composed of two or more elements or compounds that are physically mixed together but not chemically combined.

Front

What defines matter?

Back

Matter is anything that has mass and takes up space.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Front

What is an element?

Back

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

Front

What is a compound?

Back

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

Front

What is a chemical property?

Back

A characteristic of a substance that can only be observed during a chemical reaction, such as reactivity or flammability.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing the substance's chemical identity, such as color, mass, or volume.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is an atom?

Back

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