Conversation so far:
what group is platinum in on the periodic table
Platinum is a member of the platinum group of elements and group 10 of the periodic table of elements.
who else is in the platnium group besides platnium
The six platinum-group metals are ruthenium, rhodium, palladium, osmium, iridium, and platinum
what does the platnium group have in common
The Platinum group have similar physical and chemical properties, and tend to occur together in the same mineral deposits.

Question: is the element rare
Self-contained rewrite: is the element platnium rare