History of Periodic Table

Front

What is the Periodic Table?

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A tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

Front

Who is known as the father of the Periodic Table?

Back

Dimitri Mendeleev, a Russian scientist who developed a system to organize the elements based on their properties.

Front

What are groups in the Periodic Table?

Back

Vertical columns in the Periodic Table that contain elements with similar chemical properties.

Front

What are periods in the Periodic Table?

Back

Horizontal rows in the Periodic Table that indicate the energy levels of the elements.

Front

Where are metals located on the Periodic Table?

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On the left side and in the middle of the Periodic Table.

Front

What are transition metals?

Back

Elements found in the middle of the Periodic Table, known for their ability to conduct heat and electricity.

Front

What are alkali metals?

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Group 1 elements in the Periodic Table, highly reactive and known for forming strong bases.

Front

What are alkaline earth metals?

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Group 2 elements in the Periodic Table, less reactive than alkali metals and known for forming oxides.

Front

What are halogens?

Back

Group 17 elements in the Periodic Table, known for being highly reactive nonmetals.

Front

What are noble gases?

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Group 18 elements in the Periodic Table, known for being inert and having a full valence shell.