Assertion: iridium | /r/HasProperty | chemical element
Facets:
value: with atomic number
type: OTHER
value: with symbol ir
type: OTHER
value: with the symbol
type: OTHER
Source sentences:
text: Iridium is a chemical element with the symbol Ir and atomic number 77.
text: Iridium is a chemical element that has the atomic number 77.
text: Iridium is a chemical element with atomic number 77 which means there are 77 protons and 77 electrons in the atomic structure.
text: Iridium is a chemical element with symbol Ir and atomic number 77.
text: Iridium (Ir), chemical element, one of the platinum metals of Groups 8–10 (VIIIb), Periods 5 and 6, of the periodic table.
text: Iridium is a chemical element, and one of the transition metals on the periodic table.
text: Iridium is a chemical element that is part of the platinum metal group.