Rubidium is a chemical element with the symbol Rb and atomic number 37. Rb is a soft, silvery-white metallic element of the alkali metal group. Its Symbol is Rb. Atomic Number: 37. Atomic weight: 85.4678.
Read more: http://www.metal-powder-dust.com/
I am more like www.probioticonline.net
ReplyDeleteYou can never go wrong with those three metals. They will be very beneficial for the pocket. white metal bearings
ReplyDelete