Understanding Matter and Atoms

Front

What is the periodic table?

Back

A chart that lays out the 118 types of elements that compose matter.

Front

What 2 substances make up water?

Back

Hydrogen and Oxygen

Front

What is matter made out of?

Back

Matter is composed of different types of atoms.

Front

Are the properties of compounds the same as the elements they are made from?

Back

No

Front

What is this table called?

Back

Periodic Table of Elements

Front

What is an atom?

Back

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

Front

What are elements?

Back

Pure substances 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 chemically bond together.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a combination of substances that retain their individual properties, while a compound has a fixed composition and properties different from its elements.

Front

What is the atomic number?

Back

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