85.4678 is the atomic weight of Rb.
The atomic number of rubidium (Rb) is 37.The atomic weight of Rb is 85.4678(3) grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!
The chemical symbol of rubidium is Rb Rb-- atomic # 37, atomic weight 85.87
Rb
Rubidium is a metal element. Atomic mass of it is 85.
Rubidium has an atomic radius of 248 picometers.
If you look at a periodic table and go to group one, and than the element with an atomic number of 37 it is Rb. The atomic number is the number of protons and electrons. Rb is Rubidium.
Atomic weight = Weight of protons + Weight of neutrons
zinatanium atomic weight 67, xethreneum atomic weight 35.8, isotope Triton atomic weight 54.721, venerutium atomic weight 43.6, cithaxuopium atomic weight 57, ullusium atomic weight 29, thorotuthium atomic weight 97, and finally the most complex and little known zithaxuthorioxium atomic weight about 45 but scientists are still testing
Atomic Number = 6. Atomic Weight = 12.011
The atomic weight of platinum is: 195.084
Atomic weight 28.086
The atomic weight of zirconium is 91,224.