Кислород
Periodic table of D.I. Mendeleev, the names and properties of chemical elements.
Кислород — element of 16 group 2 period. Atomic number is 8.
Atomic mass is 15,9994. Latin name is Oxygenium. Discovered in 1774 year.
In a separate figure shows the conditional distribution of the atoms in orbits. Please note that the actual orbitals have a different shape.
