2.8 Chemistry Combo

Front

What is a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity, such as color, odor, or state.

Front

Which of the following is NOT a physical property?

Back

Temperature change.

Front

What is a solution?

Back

A homogeneous mixture composed of two or more substances that retains their individual properties.

Front

Why is saltwater considered a solution?

Back

It is composed of two or more substances and retains their own chemical properties.

Front

What are noble gases?

Back

A group of inert gases in Group 18 of the periodic table that are not reactive under standard conditions.

Front

How is the Modern Periodic Table arranged?

Back

By atomic number, which is the number of protons in an atom's nucleus.

Front

What is evaporation?

Back

The process by which liquid water turns into vapor, often used to dry wet clothes.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond, while a mixture is a combination of two or more substances that retain their individual properties.

Front

What are alkali metals?

Back

The elements in Group 1 of the periodic table, known for being highly reactive and having one electron in their outer shell.

Front

What is distillation?

Back

A separation technique that involves heating a liquid to create vapor and then cooling the vapor to create a liquid, used to purify liquids.