what is the periodic table

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A structure of elements combined in order

The periodic table is a tabular arrangement of chemical elements, organized based on their atomic number, electron configuration, and recurring chemical properties. It provides a systematic way of classifying and organizing elements, making it easier to understand their characteristics and relationships.

To access the periodic table and explore its properties, you can use various sources such as textbooks, online databases, or even mobile applications. Here are a few steps to follow:

1. Books and Textbooks: Look for chemistry textbooks or reference books that contain a dedicated section on the periodic table. These books often provide detailed explanations of the elements, their symbols, atomic numbers, electron configurations, and other relevant information.

2. Online Databases: Several reliable websites offer access to interactive periodic tables with extensive information on each element. One popular example is the website maintained by the Royal Society of Chemistry (https://www.rsc.org/periodic-table). You can search for specific elements, view their properties, and even customize the table based on your requirements.

3. Mobile Applications: Install chemistry-related mobile apps on your smartphone or tablet. Many apps offer interactive periodic tables with additional features like 3D visualizations, quizzes, and educational games. Examples of such apps include "Periodic Table 2020" and "Elements - The Periodic Table."

Remember, the periodic table consists of rows called periods and columns called groups or families. Elements within the same group often share similar properties, while elements in the same period have the same number of electron shells. Overall, the periodic table is an essential tool for chemists and students to understand the properties and behavior of different elements.