🧪 Introduction to the Periodic Table
The periodic table is a chart that organizes all known chemical elements by their properties. It’s a powerful tool scientists use to understand how elements interact with each other.
Why Is It Called “Periodic”?
The word “periodic” refers to repeating patterns. As you move across the table, you’ll notice certain characteristics repeat at regular intervals — like reactivity, atomic size, and electron configurations.
đź’¬ Think About It:
Why might it be helpful to organize elements in a table instead of listing them in a line?