Multiple choice general knowledge

What is the chemical name of IF7 ?

  1. Iron hectafluoride

  2. Iron heptafluoride

  3. Iodine heptafluoride

  4. Iodine heptofluoride

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

IF7 is Iodine heptafluoride, where I is the chemical symbol for Iodine (not Iron, which is Fe). The prefix hepta- indicates seven fluorine atoms. Option D has a typo (heptofluoride instead of heptafluoride).