Why is it Iron-Man and not Fe-Male?

If you can’t come up with the answer right away don’t worry…
Periodically table it and it will eventually come to you.
#humpdayhumor
Why is it Iron-Man and not Fe-Male?
If you can’t come up with the answer right away don’t worry…
Periodically table it and it will eventually come to you.
#humpdayhumor
Ferric good.
Perfect.