Elements, Compounds, and Mixtures Review

Front

What is the difference between an atom and a molecule?

Back

Molecules are groups of atoms held together chemically.

Front

What are compounds?

Back

Compounds are made of two or more types of atoms chemically bonded together.

Front

Which substance can have ratios of atoms that change?

Back

Mixtures can have ratios of atoms that change.

Front

What can be inferred about compounds?

Back

Compounds are pure substances.

Front

What is a substance that cannot be broken down further chemically?

Back

An element is a substance that cannot be broken down further chemically.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is a chemical bond?

Back

A chemical bond is the force that holds atoms together in a molecule or compound.

Front

What is the periodic table?

Back

The periodic table is a chart that organizes all known elements by their atomic number and properties.

Front

What is a pure substance?

Back

A pure substance is a material made of only one type of particle, either an element or a compound.