Chpt.1 Introduction to Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are molecules?

Back

Molecules are groups of two or more atoms bonded together.

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.

Front

What is the difference between a mixture and a pure substance?

Back

A mixture contains two or more different substances that are not chemically combined, while a pure substance has a uniform and definite composition.

Front

What is the state of matter?

Back

The state of matter refers to the distinct forms that different phases of matter take on, primarily solid, liquid, and gas.

Front

How do molecules behave in a solid?

Back

In a solid, molecules are closely packed together and vibrate in place.

Front

How do molecules behave in a liquid?

Back

In a liquid, molecules are close together but can slide past one another, allowing the liquid to flow.

Front

How do molecules behave in a gas?

Back

In a gas, molecules are far apart and move freely, filling the container they are in.

Front

What is density?

Back

Density is the mass of a substance divided by its volume, often expressed in grams per cubic centimeter (g/cm³).

Front

What is the significance of mass per liter?

Back

Mass per liter is a measure of density, indicating how much mass is contained in a given volume of a substance.