Home
Properties
Calculator
Fun
English
Meitnerium
(Mt)
Open in calculator
2
8
18
32
32
15
2
Animation
Mt
Category
Transition metal
Show
Relative atomic mass
269.1087
Density
13.51
Melting point (°C)
1342
Boiling point (°C)
3100
Electronegativity (Pauling)
1.28
Half-life
4.5 s
Discovery year
1949
Discovered by
Glenn T. Seaborg
Electrons: 109
Protons: 109
Neutrons: 169
Wikipedia
Decay chain
Mt-278
(4.5 s)
α decay
Bh-274
(0.9 min)
α decay
Db-270
(1.0 h)
created by @lukaswyss
Meitnerium (Mt) – Element 109