Iridium, mostly. You shouldn't eat it but it's not very dangerous. Some serious heat source if you want to melt it (2683 K), also it's pretty immune to acids.
Not a very useful answer but I have no idea what you want to study.
Iridium, Einsteinium
We need iridium and uranium
All iridium plugs never need gapping because they are 10 times harder than a platinum plug.
26,4 g iridium is equal to 0,137 mol.
Lead has a higher atomic number than iridium, which means a lead atom is heavier than an iridium atom. however iridium is denser, therefore if you had a block of iridium and a block of lead,the iridium block would be heavier
Iridium is a chemical element.
Ir(Iridium) is in Group 9.
Buy Iridium, This is Not a Idiom!
Iridium has no uses at home.
Iridium hasn't a taste.
Copper and iridium are two metals.
An iridium phone is one that is linked to other phones by a iridium satellite. There are also iridium pagers and other items. You can find them on sale on Amazon or Ebay.