1. A radioactive transuranic element
   - roentgenium, Rg, element 111

Type of: chemical element, element

• ivy-covered
• ivy-leaved geranium
• IW
• iwi
• Iwo
• Iwo Jima
• IWW
• ix
• ixc
• Ixia
• ixl
• Ixobrychus
• Ixobrychus exilis
• Ixodes
• Ixodes dammini
• Ixodes dentatus
• Ixodes neotomae
• Ixodes pacificus
• Ixodes persulcatus
• Ixodes ricinus
• Ixodes scapularis
• Ixodes spinipalpis
• ixodid
• Ixodidae
• Iyar