Meitnerio

Meitnerio (Mt) is a synthetic chemical element belonging to the category Transition metal, with atomic number 109 and atomic mass 276.0000 u. This sheet describes its fundamental properties, periodic position and physical characteristics.

Identity

• Name: Meitnerio
• Symbol: Mt
• Atomic number: 109
• Atomic mass: 276.0000 u

Position in the periodic table

• Group: 9
• Period: 7
• Category: Transition metal

Physico-chemical properties

• Standard state: Solid (predicted)
• Melting point: Unknown (predicted to be very high)
• Density: Very high (predicted)
• Electron configuration: [Rn] 5f¹⁴ 6d⁷ 7s²

Scientific description

Meitnerio is a synthetic chemical element with symbol Mt and atomic number 109. It belongs to the category of Transition metal and occupies group 9 and period 7. Its standard atomic mass is taken here as 276.0000 u, corresponding to a representative isotope.