Калий
Periodic table of D.I. Mendeleev, the names and properties of chemical elements.
Калий — element of 1 group 4 period. Atomic number is 19.
Atomic mass is 39,0983. Latin name is Kalium. Discovered in 1807 year.
In a separate figure shows the conditional distribution of the atoms in orbits. Please note that the actual orbitals have a different shape.
