hide submit from the moment a radio button is checked

No idea why you would ever wanna do something like this. But just so you know, you can.

Form

option 1option 2option 3

Form Code

[radio my-radio "option 1" "option 2" "option 3"]

[group submit-group]
[submit "Send"]
[/group]

Conditional Fields (export)

show [submit-group] if [my-radio] is empty ""