Why lanthanides and actinides are placed separately?

More Questions

• Why did hunter gatherers travel from place to place?
• Why does the air move from place to place?
• Why did bangladesh separate from pakistan?
• What is the best places to play pokemon go in kansas city?
• Why does the marriage not take place?
• Why does inert gases placed in zero?
• Why jharkhand separated from bihar?
• Why sri lanka separated from india?
• What is place value and face value?
• How to make the world a better place?