Periodic Table Groups

Front

What is the main purpose of the periodic table?

Back

To organize elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are groups in the periodic table?

Back

Vertical columns that categorize elements with similar chemical properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

How many groups are there in the periodic table?

Back

There are 18 groups in the periodic table.

Front

What is the significance of group 1 elements?

Back

They are known as alkali metals and are highly reactive, especially with water.

Front

What are transition metals?

Back

Elements found in groups 3-12 that are characterized by their ability to form variable oxidation states and colored compounds.

Front

What are metalloids?

Back

Elements that have properties of both metals and non-metals, typically found along the zig-zag line on the periodic table.

Front

What is the electron configuration of sodium (Na)?

Back

1s² 2s² 2p⁶ 3s¹.

Tags

NGSS.HS-PS1-1

Front

What group does chlorine (Cl) belong to?

Back

Group 17, known as the halogens.

Front

What is the atomic number of iron (Fe)?

Back

26.