History and Organization of Periodic Table Review

Front

What is the significance of Mendeleev's periodic table?

Back

It organized elements based on their properties and predicted the existence of undiscovered elements.

Front

A __________ goes up and down on the periodic table.

Back

Group

Front

Each column in the periodic table is called a _________.

Back

Group

Front

What are the characteristics of noble gases?

Back

Colorless, odorless, and low reactivity.

Front

Alkali metals are the most reactive of all the metals because they have ____ electron(s) in their outer energy level.

Back

1

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.

Front

What is a period in the context of the periodic table?

Back

A horizontal row of elements in the periodic table.

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.

Front

What is the atomic number?

Back

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

Front

What are metalloids?

Back

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