22. Elements: Which inert element, with a connection to the Gods, is sometimes used as a substitute for platinum?
From Quiz Thankless Tests of Trivia - the "T" Quiz
Answer:
Tantalum
Tantalum (Ta) is element 73. A bluish-grey element, highly resistant to corrosion, it has an atomic weight of 180.94788. It is found in Australia, Brazil, Canada, China, Ethiopia, Thailand, Malaysia and Mozambique. It is mostly used in alloys and electronic components (transistors and capacitors), as well as coatings for specialised camera lenses, in vacuum furnace parts and even in biological implants.
Titanium (Ti) is element 22, a silvery metal used in a wide range of applications, from spacecraft to surgical implants, especially hips.
Thorium (Th) is element 90. It is silvery white and slightly radioactive, and is used in applications ranging from an additive to glass to nuclear fuel.
Terbium (Tb) is element 65. It is silvery, soft and stable. It is used in alloys, television tubes and fuel cells.