“He’s worked with us for ions, so I’m trusting he can do it!”
Interesting way to pay a guy. He’s working for mere atoms! As long as they have a net electric charge due to the loss or gain of one or more electrons, he’ll apparently take them instead of cash. Must be an alien. Alert NASA.
Oh, wait! You meant EONS! Indefinite, very long periods of time, often used in exaggerated form for humorous or rhetorical effect.
Now I get it.