The most stable isotope of meitnerium (half life under 1 s) has the mass 276.
268
Number of neutrons = Atomic mass of a meitnerium isotope - 109
Number of neutrons = Atomic mass of an isotope - Atomic number of the element The atomic number of meitnerium is 109. Each isotope of an element has a different number of neutrons.
Number of neutrons = Atomic mass of an isotope - Atomic number of the element The atomic number of meitnerium is 109. Each isotope of an element has a different number of neutrons. Meitnerium has 109 protons.
The atomic number of meitnerium is 109.
The chemical symbol of meitnerium is Mt.
Meitnerium is an artificial chemical element, atomic number 109.
The first atomic number appeared on the periodic table in August 1982. The first atom of the element meitnerium had the atomic number 109. The isotope of element 109 has an atomic mass of 266.
The element with the lowest average atomic mass is hydrogen (H) at 1.008 grams. The element with the highest is meitnerium (Mt) at 266 grams.
Meitnerium is an artificial chemical element, solid, metal, radioactive, unstable, atomic number 109; meitnerium has 7 isotopes and 2 isomers. With only some atoms prepared the chemistry and physics of meitnerium are practically unknown.
Meitnerium is an artificial chemical element, solid, metal, radioactive, unstable, atomic number 109; meitnerium has 7 isotopes and 2 isomers. With only some atoms prepared the chemistry and physics of meitnerium are practically unknown.
a very unstable element made by high-energy atomic collisions.
Curium, atomic number 96, named after Marie Curie. Meitnerium, atomic number 109, named after Lise Meitner. Niobium, atomic number 41, was named for the Greek goddess, Niobe.