What is the main concept of the Periodic Law?
Understand the Problem
The question is asking for an explanation of the main concept of the Periodic Law, which deals with how elements are organized in the periodic table and the relationship between their properties and their atomic structure.
Answer
When elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties.
The periodic law states: 'When elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties.'
Answer for screen readers
The periodic law states: 'When elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties.'
More Information
The periodic law highlights the systematic and predictable nature of the elements' properties, which is fundamental to understanding the organization of the periodic table.
Tips
Confusing atomic number with atomic mass is a common mistake. The periodic table is organized by atomic number, not mass.
Sources
- The Periodic Law - Chemistry LibreTexts - chem.libretexts.org
- Periodic Law Definition in Chemistry - ThoughtCo - thoughtco.com
- Periodic Law - Definition, Properties, Statement and Importance - flexbooks.ck12.org
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