Rubidium
Rb
Atomic Number: 37
Melting Point: 39 °C
Boiling Point: 696 °C
Isotopes: 32 - 71Rb - 72mRb, 73Rb - 76mRb, 77Rb - 78mRb, 79Rb - 80mRb, 81(m)Rb, 82(m)Rb, 83(m)Rb, 84(m)Rb, 85Rb - 86mRb, 87 - 90mRb, 91Rb - 93mRb, 94Rb - 96mRb, 97Rb - 98mRb, 99Rb - 102Rb
Recognized/Discovered: Robert Wilhem Bunsen and Gustav Robert Kirchhoff in 1861
Melting Point: 39 °C
Boiling Point: 696 °C
Isotopes: 32 - 71Rb - 72mRb, 73Rb - 76mRb, 77Rb - 78mRb, 79Rb - 80mRb, 81(m)Rb, 82(m)Rb, 83(m)Rb, 84(m)Rb, 85Rb - 86mRb, 87 - 90mRb, 91Rb - 93mRb, 94Rb - 96mRb, 97Rb - 98mRb, 99Rb - 102Rb
Recognized/Discovered: Robert Wilhem Bunsen and Gustav Robert Kirchhoff in 1861