Terms to Learn #4 ATOMS

Front

What is the chart that organizes all known elements by their physical and chemical properties called?

Back

Periodic Table of Elements

Front

What are characteristics of matter that can be observed with your senses called?

Back

Physical Property

Front

What is the center of the atom that contains protons and neutrons and has a positive charge called?

Back

Nucleus

Front

What is the negatively charged particle that orbits the nucleus of an atom called?

Back

Electron

Front

What is the number in each box of the periodic table that represents the number of protons in the nucleus of each atom called?

Back

Atomic Number

Front

What is an atom?

Back

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

Front

What are protons?

Back

Positively charged particles found in the nucleus of an atom.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom that do not have a charge.

Front

What is an element?

Back

A pure substance 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.