Водород
Periodic table of D.I. Mendeleev, the names and properties of chemical elements.
Водород — element of 1 group 1 period. Atomic number is 1.
Atomic mass is 1,00794. Latin name is Hydrogenium. Discovered in 1766 year.
In a separate figure shows the conditional distribution of the atoms in orbits. Please note that the actual orbitals have a different shape.
