Periodic Table intro

Front

What is the periodic table?

Back

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

Front

What is an atomic number?

Back

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

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, containing elements with similar chemical properties.

Front

Which element is in period 3, group 14?

Back

Silicon (Si).

Front

What are alkali metals?

Back

Elements in group 1 of the periodic table, known for being highly reactive and having one electron in their outer shell.

Front

What are noble gases?

Back

Elements in group 18 of the periodic table, known for being inert and having a full outer electron shell.

Front

What is the significance of the zig-zag line on the periodic table?

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It separates metals from nonmetals and indicates the location of metalloids.

Front

What are transition metals?

Back

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

Front

What is a chemical property?

Back

A characteristic of a substance that becomes evident during a chemical reaction, such as reactivity with acids.