In the periodic table of elements, why are the bottom two rows separated from the main table? Why does it have the shape/organization it shows? - Quora
Period (periodic table) - Wikipedia
Columns vs rows: What's the difference?
The horizontal rows on a periodic table are called "perio...
What are rows and columns on the periodic table? - YouTube
Anatomy of the Periodic Table | ChemistryBytes.com
Chem4Kids.com: Elements & Periodic Table: Periodic Table
What are the vertical rows on the periodic table called? - Quora
Table Basics - Chemistry LibreTexts
Periodic Table Groups and Periods
High School Chemistry/The Periodic Table and Electron Configurations - Wikibooks, open books for an open world
Rows and Columns on Periodic Table - YouTube
How many horizontal rows are present in modern periodic table?
How to Read the Periodic Table — Overview & Components - Expii
Chem4Kids.com: Elements & Periodic Table: Periodic Table
File:Periodic Table Chart-first-row-highlighted.png - Wikimedia Commons
How to Read the Periodic Table — Overview & Components - Expii
Untitled Document
Each horizontal row is called a PERIOD. Properties of elements change greatly across any one r… | Physical science middle school, Teaching science, Physical science
2.5: The Periodic Table - Chemistry LibreTexts
Lesson Explainer: The Periodic Table | Nagwa
Question #fe5fc | Socratic
