Which number determines how the periodic table is arranged?
Understand the Problem
The question is asking about the criteria or specific number that dictates the organization of the periodic table of elements. This could refer to atomic number, which is the primary factor in the arrangement of elements in the table.
Answer
The atomic number
The final answer is the atomic number
Answer for screen readers
The final answer is the atomic number
More Information
The atomic number represents the number of protons in an element's nucleus, and it determines the element's position in the Periodic Table.
Tips
A common mistake is confusing the atomic number with atomic weight, but the table is primarily arranged by atomic number.