Reading the Periodic Table

Front

Where are the nonmetals found on the periodic table?

Back

To the right of the stairstep.

Front

How is the periodic table arranged?

Back

By atomic number.

Front

Where are the metalloids found on the periodic table?

Back

Along the stairstep.

Front

How many neutrons does Beryllium have?

Back

5.

Front

How can we find the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What does the atomic mass represent?

Back

The average mass of an element's isotopes, measured in atomic mass units (amu).

Front

What are the main categories of elements on the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is a group in the periodic table?

Back

A vertical column of elements with similar properties.

Front

What is a period in the periodic table?

Back

A horizontal row of elements that shows a gradual change in properties.