Periodic Table Basics

Front

What element is in group 9 period 4 of the periodic table?

Back

Cobalt

Front

How many valence electrons does Aluminum have?

Back

3

Front

Where are valence electrons located?

Back

In the outmost shell.

Front

What period does the element Iodine belong to?

Back

5

Front

How many energy shells does Iron have?

Back

4

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is a group in the periodic table?

Back

A column of elements with similar chemical properties.

Front

What is a period in the periodic table?

Back

A row of elements that have the same number of electron shells.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form variable oxidation states.

Front

What is an atomic number?

Back

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