Element, Compounds and Mixtures

Front

What do elements in the same group on the Periodic Table typically share?

Back

Similar chemical properties.

Front

What is a mixture?

Back

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

Front

What is a compound?

Back

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

Front

What is an element?

Back

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

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, found along the staircase on the Periodic Table.

Front

How can you make a solution more diluted?

Back

By adding more solvent, such as water.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

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

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is solubility?

Back

The ability of a substance to dissolve in a solvent at a given temperature and pressure.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.