Periodic Table of the Elements: Structure and Element Key

Vocabulary flashcards covering the basic layout, organization, and components of the periodic table of elements based on the lecture text.

Group

A column in the periodic table.

Period

A row in the periodic table.

Periodic Table

A chart organized into columns, rows, and blocks based on certain patterns of properties, used to interpret the physical and chemical properties of elements.

Element Key

A guide on the periodic table that shows an element's chemical symbol, atomic number, atomic mass, and a symbol indicating its state of matter at room temperature.

Number in Parentheses

On the periodic table, the mass number of the longest-lived isotope for that specific element.

Lanthanide Series

A specific series of elements shown in a row at the bottom of the periodic table, starting with cerium and ending with lutetium.

Actinide Series

A specific series of elements shown in the bottom row of the periodic table, starting with thorium and ending with lawrencium.