What Element is 1s² 2s²?

The electron configuration 1s² 2s² represents Beryllium (Be), with atomic number 4.

Configuration Breakdown:

• 1s²: 2 electrons in the first orbital
• 2s²: 2 electrons in the second s-orbital
• Total electrons: 2 + 2 = 4

Element Properties:

• Name: Beryllium
• Symbol: Be
• Atomic number: 4
• Period: 2
• Group: 2 (alkaline earth metal)

Characteristics:

• Lightweight, strong metal
• Toxic if inhaled as dust or fumes
• Used in aerospace applications
• High melting point for its size

Importants Points:

• Element: Beryllium (Be)
• Atomic number: 4
• Configuration: 1s² 2s²