Classified as a transition metal, Copernicium is a expected to be a solid at room temperature. For 12 C the atomic mass is exactly 12u, since the atomic mass unit is defined from it.

For example, 63 Cu (29 protons and 34 neutrons) has a mass number of 63 and an isotopic mass in … Element Copernicium Atomic Number 112 Symbol Cn Element Category Transition Metal Phase at STP Synthetic Atomic Mass [amu] 285 Density at STP — g/cm3 Electron Conf. Atomic mass of Copernicium is 285 u. II ek badalte dhaatu hae. Last edited on 15 December … Aap iske lamba karke Wikipedia ke madat kare saktaa hae. For other isotopes, the isotopic mass usually differs and is usually within 0.1 u of the mass number.
[Rn] 5f14 6d10 7s2 ?
Atomic Number of Copernicium. Ii vigyan article ek chhota panna hae. Copernicium is a chemical element with symbol Cn and atomic number 112. Copernicium ek chemical element hae, jiske chemical symbol Cn, atomic number 112 aur atomic mass 285 hae. The chemical symbol for Copernicium is Cn.. Atomic Mass of Copernicium. Copernicium is a chemical element with atomic number 112 which means there are 112 protons and 112 electrons in the atomic structure.