Periodic Table Practice

Front

What is the Periodic Table?

Back

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

Front

What is a period in the Periodic Table?

Back

A horizontal row in the Periodic Table, indicating the number of electron shells in the elements.

Front

What is a group in the Periodic Table?

Back

A vertical column in the Periodic Table, indicating elements that have similar chemical properties and the same number of valence electrons.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, typically found along the zig-zag line on the Periodic Table.

Front

Which element is in Period 2?

Back

Oxygen.

Front

Which element is a gas at room temperature?

Back

Krypton.

Front

Which element is in Group 5?

Back

Tantalum.

Front

Which element is a metalloid?

Back

Germanium.

Front

What state of matter is argon in at room temperature?

Back

Gas.

Front

What is the atomic number?

Back

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