Or click here for full access, Premium options. The squat move that Tiger Woods appears to do in his downswing has been widely criticized by the TV golf pundits over the years because of how much his head lowers during this move.r click here for full access, Premium options. The squat move that Tiger Woods appears to do in his downswing has been widely criticized by the TV golf pundits over the years because of how much his head lowers during this move.
What is Rubidium. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Rubidium is Rb. Rubidium is a soft, silvery-white metallic element of the alkali metal group, with an atomic mass of 85.4678. Elemental rubidium is highly reactive, with properties similar to those of other alkali metals, including rapid oxidation in air. Rubidium â Properties
Iridium is a stable metal that chemically unreactive, like platinum and gold. Iridium is the most resistant to oxidation of all metals. It can be used is as a hardening agent in alloys with Platinum and Osmium.Sometimes used in medical therapies e.g. treating prostate cancer by radiation therapy.Used for crucibles, special containers and other apparatus resistant to intense heat.hare to: 1  The Element Iridium in Chemistry The element iridium is a platinum group metal that is a very durable, hard, and lustrous metal and is similar to platinum.