I WONDER - How Was The Periodic Table Named?

The video explains how elements in the periodic table are organized into horizontal rows called periods, based on their atomic numbers. There are seven periods, with the first being the shortest, containing only hydrogen and helium, while the sixth and seventh are the longest, each containing 32 elements.

Describe the arrangement of elements in the periodic table.

What is unique about the 6th and 7th periods of the periodic table?

• They contain the least elements

• They are the longest with 32 elements

• They are the first periods

• They contain only metals