The Periodic Table: Patterns in the Modern Periodic Table

The video explains how many big cities and chessboards are designed in grid patterns, similar to the modern periodic table. It describes how the periodic table is organized into rows called periods, where atomic numbers increase from left to right. The video also highlights that elements in the same column, known as groups or families, share similar properties. For instance, elements in family 11, such as copper, silver, and gold, are heavy metals. The video emphasizes the patterns and relationships within the periodic table.

What is the arrangement pattern of many big cities and the modern periodic table?

• Circular

• Random

• Spiral

• Grid-like

In the periodic table, what happens to the atomic number as you move from left to right across a period?

• It increases

• It remains the same

• It fluctuates

• It decreases

What is a characteristic of elements within the same period in the periodic table?

• They are all gases

• They are all metals

• They have increasing atomic numbers

• They have similar properties

What are the vertical columns in the periodic table called?

• Groups or Families

• Blocks

• Periods

• Rows

Which elements are included in the family labeled 11 in the periodic table?

• Copper, Silver, Gold

• Iron, Nickel, Cobalt

• Oxygen, Nitrogen, Carbon

• Hydrogen, Helium, Lithium